Publication Results (229)

• Prolonged antibiotic treatment in long-term care: role of the prescriber

  Daneman N, Gruneir A, Bronskill SE, Newman A, Fischer HD, Rochon PA, Anderson GM, Bell CM. JAMA Intern Med. 2013; 173(8):673-82.

• Gender differences in home care clients and admission to long-term care in Ontario, Canada: a population-based retrospective cohort study

  Gruneir A, Forrester J, Camacho X, Gill SS, Bronskill SE. BMC Geriatr. 2013; 13:48. Epub 2013 May 16.

• Cognitive decline in long-term care residents before and during the COVID-19 pandemic in Ontario, Canada

  Webber C, Myran DT, Milani C, Turcotte L, Imsirovic H, Li W, Tanuseputro P. JAMA. 2022; Sep 12 [Epub ahead of print]. DOI: https://doi.org/10.1001/jama.2022.17214

• “Avoidable” emergency department transfers from long-term care homes: a brief review

  Gruneir A. Healthc Q. 2013; 16(2):13-5.

• Excess mortality in long-term care residents with and without personal contact with family or friends during the COVID-19 pandemic

  Savage RD, Rochon PA, Na Y, Strauss R, Brown KA, Costa AP, Gill S, Johnstone J, Tanuseputro P, Stall NM, Armstrong P. J Am Med Dir Assoc. 2022; 23(3):441-3.e1. Epub 2021 Dec 17. DOI: https://doi.org/10.1016/j.jamda.2021.12.015

• Physician availability in long-term care and resident hospital transfer: a retrospective cohort study

  Kobewka DM, Kunkel E, Hsu A, Talarico R, Tanuseputro P. J Am Med Dir Assoc. 2020; 21(4):469-75.e1. Epub 2019 Aug 5. DOI: 10.1016/j.jamda.2019.06.004.

• The risk of re-institutionalization: examining rates of admission to long-term care among adults with intellectual and developmental disabilities over time

  Ouellette-Kuntz H, Martin L, McKenzie K. J Policy Pract Intellect Disabil. 2017; 14(4):293-7. Epub 2017 Dec 20.

• Antibiotic use in long-term care facilities

  Daneman N, Gruneir A, Newman A, Fischer HD, Bronskill SE, Rochon PA, Anderson GM, Bell CM. J Antimicrob Chemother. 2011; 66(12):2856-63. Epub 2011 Sep 27.

• Disability in long-term care residents explained by prevalent geriatric syndromes, not long-term care home characteristics: a cross-sectional study

  Lane NE, Wodchis WP, Boyd CM, Stukel TA. BMC Geriatr. 2017; 17:49. Epub 2017 Feb 10.

• Frequency of neglect and its effect on mortality in long-term care before and during the COVID-19 pandemic

  Akhtar-Danesh N, Baumann A, Crea-Arsenio M, Antonipillai V. Healthc Policy. 2022; 17(SP):107-21. Epub 2022 Jun 1. DOI: https://doi.org/10.12927/hcpol.2022.26851

• Influences on the start, selection and duration of treatment with antibiotics in long-term care facilities

  Daneman N, Campitelli MA, Giannakeas V, Morris AM, Bell CM, Maxwell CJ, Jeffs L, Austin PC, Bronskill SE. CMAJ. 2017; 189(25):E851-60.

• The association of resident communication abilities and antibiotic use in long-term care

  Saxena FE, Bronskill SE, Brown KA, Campitelli MA, Garber G Langford B, Maxwell CJ, McCormack D, Schwartz KL, Daneman N. J Am Geriatr Soc. 2019; 67(6):1164-73. Epub 2019 Jan 28.

• Quality and safety in long-term care in Ontario: the impact of language discordance

  Batista R, Prud’homme D, Rhodes E, Hsu A, Talarico R, Reaume M, Guérin E, Bouchard L, Desaulniers J, Manuel D, P Tanuseputro. J Am Med Dir Assoc. 2021; 22(10):2147-53.e3. Epub 2021 Jan 9. DOI: https://doi.org/10.1016/j.jamda.2020.12.007

• COVID-19 excess mortality among long-term care residents in Ontario, Canada

  Akhtar-Danesh N, Baumann A, Crea-Arsenio M, Antonipillai V. PLoS One. 2022; 17(1):e0262807. Epub 2022 Jan 20. DOI: https://doi.org/10.1371/journal.pone.0262807

• Time trends in opioid prescribing among Ontario long-term care residents: a repeated cross-sectional study

  Iaboni A, Campitelli MA, Bronskill SE, Diong C, Kumar M, Maclagan LC, Gomes T, Tadrous M, Maxwell CJ. CMAJ Open. 2019; 7(3):E582-9. Epub 2019 Sep 23. DOI: 10.9778/cmajo.20190052.

• Long-term care residents' geriatric syndromes at admission and disablement over time: an observational cohort study

  Lane NE, Stukel TA, Boyd CM, Wodchis WP. J Gerontol A Biol Sci Med Sci. 2019; 74(6):917-23. Epub 2018 Jun 27.

• Improving prediction of risk of admission to long-term care or mortality among home care users with IDD

  Ouellette-Kuntz H, Stankiewicz E, McIsaac M, Martin L .Can Geriatr J. 2018; 21(4):303-6. Epub 2018 Dec 1.

• Management of neuropsychiatric symptoms in long-term care residents with Parkinson's disease: a retrospective cohort study

  Herrmann N, Marras C, Fischer HD, Wang X, Anderson GM, Rochon PA. Drugs Aging. 2013; 30(1):19-22. Epub 2012 Nov 28.

• Hospitalization and mortality rates in long-term care facilities: does for-profit status matter?

  Tanuseputro P, Chalifoux M, Bennett C, Gruneir A, Bronskill SE, Walker P, Manuel D. J Am Med Dir Assoc. 2015; 16(10):874-83. Epub 2015 Sep 30.

• Temporal trends in case fatality, discharge destination, and admission to long-term care after acute stroke

  Joundi RA, Smith EE, Yu AYX A, Rashid M, Fang J, Kapral MK. Neurology. 2021; 96(16):e2037-47. Epub 2021 Mar 23. DOI: https://doi.org/10.1212/WNL.0000000000011791

• Atrial fibrillation and stroke prevention with warfarin in the long-term care setting

  Gurwitz JH, Monette J, Rochon PA, Eckler MA, Avorn J. Arch Intern Med. 1997; 157(9):978-84.

• Five-year risk of admission to long-term care home and death for older adults given a new diagnosis of dementia: a population-based retrospective cohort study

  Huyer G, Brown CRL, Spruin S, Hsu AT, Fisher S, Manuel DG, Bronskill SE, Qureshi D, Tanuseputro P. CMAJ. 2020; 192:E422-30. Epub Apr 20, 2020. DOI: https://doi.org/10.1503/cmaj.190999

• Potentially inappropriate prescribing (PIP) in long-term care (LTC) patients: validation of the 2014 STOPP-START and 2012 Beers criteria in a LTC population—a protocol for a cross-sectional comparison of clinical and health administrative data

  Bjerre LM, Halil R, Catley C, Farrell B, Hogel M, Black CD, Williams M, Ryan C, Manuel DG. BMJ Open. 2015; 5(10):e009715. Epub 2015 Oct 9.

• The impact of the Long-Term Care Homes Act and Public Reporting on physical restraint and potentially inappropriate antipsychotic use in Ontario's long-term care homes

  Walker K, Shearkhani S, Bai YQ, McGilton KS, Berta WB, Wodchis WP. J Gerontol A Biol Sci Med Sci. 2020; 75(4):813-9. Epub 2019 Jul 29. DOI: https://doi.org/10.1093/gerona/glz143.

• How often, where, and by which specialty do long-term care home residents receive specialist physician care? A retrospective cohort study

  Shaver NS, Lapenski J, Smith GA, Hsu AT, Liddy C, Tanuseputro P. J Appl Gerontol. 2021; 40(8):837-46. Epub 2020 Feb 6. DOI: https://doi.org/10.1177/0733464819901255

• Comparative trends in incident fracture rates for all long-term care and community dwelling seniors in Ontario, Canada, 2002-2012

  Papaioannou A, Kennedy CC, Ioannidis G, Cameron C, Croxford R, Adachi JD, Mursleen S, Jaglal S. Osteoporos Int. 2016; 27(3):887-97. Epub 2016 Jan 22.

• Trends in psychotropic dispensing among older adults with dementia living in long-term care facilities: 2004-2013

  Vasudev A, Shariff SZ, Liu K, Burhan AM, Herrmann N, Leonard S, Mamdani M. Am J Geriatr Psychiatry. 2015; 23(12):1259-69. Epub 2015 Jul 16.

• Probable delirium and associated patient characteristics in long-term care and complex continuing care: a population-based observational study

  Webber C, Watt CL, Bush SH, Lawlor PG, Knoefel F, Momoli F, Thavorn K, Casey G, Tanuseputro P. J Am Med Dir Assoc. 2022; 23(1):66-72.e2. Epub 2021 Jun 23. DOI: https://doi.org/10.1016/j.jamda.2021.05.032

• A time series analysis evaluating antibiotic prescription rates in long-term care during the COVID-19 pandemic in Alberta and Ontario, Canada

  Haverkate MR, Macfadden DR, Daneman N, Leal J, Otterstatter M, Mahdavi R, D’Souza AG, Rennert-May E, Silverman M, Schwartz KL, Morris AM, Saatchi A, Patrick DM, Marra F. Antibiotics (Basel). 2022; 11(8):1001. Epub 2022 Jul 26. DOI: https://doi.org/10.3390/antibiotics11081001

• Cost and quality: evidence from Ontario long-term care hospitals

  Wodchis WP, Teare GF, Anderson GM. Med Care. 2007; 45(10):981-8.

• Nursing time devoted to medication administration in long-term care: clinical, safety, and resource implications

  Thomson MS, Gruneir A, Lee M, Baril J, Field TS, Gurwitz JH, Rochon PA. J Am Geriatr Soc. 2009; 57(2):266-72. Epub 2008 Dec 11.

• Association between antidepressants and fall-related injuries among long-term care residents

  Macri JC, Iaboni A, Kirkham JG, Maxwell C, Gill SS, Vasudev A, Whitehead M, Seitz DP. Am J Geriatr Psychiatry. 2017; 25(12):1326-36. Epub 2017 Sep 1.

• Access to psychiatrist services for older adults in long-term care: a population-based study

  Perlman C, Kirkham J, Velkers C, Leung RH, Whitehead M, Seitz D. J Am Med Dir Assoc. 2019; 20(5):610-6.e2. Epub 2019 Mar 1. DOI: 10.1016/j.jamda.2019.01.121.

• Diagnostic testing in long-term care and resident emergency department visits: a retrospective cohort study

  Kunkel E, Tanuseputro P, Hsu A, Talarico R, Lapenskie J, Calder-Sprackman S, Kobewka D. J Am Med Dir Assoc. 2021; 22(4):901-6.e4. Epub 2020 Dec 3. DOI: https://doi.org/10.1016/j.jamda.2020.09.043

• Frequency and pattern of emergency department visits by long-term care residents—a population-based study

  Gruneir A, Bell CM, Bronskill SE, Schull M, Anderson GM, Rochon PA. J Am Geriatr Soc. 2010; 58(3):510-7.

• Validating diagnostic information on the minimum data set in Ontario hospital-based long-term care

  Wodchis WP, Naglie G, Teare GF. Med Care. 2008; 46(8):882-7.

• Family physicians providing regular care to residents in Ontario long-term care homes: characteristics and practice patterns

  Lam JM, Anderson GM, Austin PC, Bronskill SE. Can Fam Physician. 2012; 58(11):1241-8.

• Exploring variation in rates of polypharmacy across long-term care homes

  Bronskill SE, Gill SS, Paterson JM, Bell CM, Anderson GM, Rochon PA. J Am Med Dir Assoc. 2012; 13(3):309.e15-21. Epub 2011 Aug 12.

• Resident-level predictors of dementia pharmacotherapy at long-term care admission: the impact of different drug reimbursement policies in Ontario and Saskatchewan

  Maclagan LC, Bronskill SE, Campitelli MA, Yao S5, Dharma C, Hogan DB, Herrmann N, Amuah JE, Maxwell CJ. Can J Psychiatry. 2020; 65(11):790-801. Epub 2020 Apr 10. DOI: https://doi.org/10.1177/0706743720909293

• An international comparison of long-term care trajectories and spending following hip fracture

  Wodchis WP, Or Z, Blankart CR, Atsma F, Janlov N, Bai YQ, Penneau A, Arvin M, Knight H, Riley K, Figueroa JF, Papanicolas I. Health Serv Res. 2021; 56(Suppl 3):1383-93. Epub 2021 Aug 11. DOI: https://doi.org/10.1111/1475-6773.13864

• Factors associated with SARS-CoV-2 test positivity in long-term care homes: a population-based cohort analysis using machine learning

  Lee DS, Wang CX, McAlister FA, Ma S, Chu A, Rochon PA, Kaul P, Austin PC, Wang X, Kalmady SV, Udell JA, Schull MJ, Rubin BB, Wang B. Lancet Reg Health Am. 2022; 6:100146. Epub 2022 Jan 17. DOI: https://doi.org/10.1016/j.lana.2021.100146

• Payer incentives and physical rehabilitation therapy for nonelderly institutional long-term care residents: evidence from Michigan and Ontario

  Wodchis WP, Fries BE, Pollack H. Arch Phys Med Rehabil. 2004; 85(2):210-7.

• Recent health care transitions and emergency department use by chronic long-term care residents: a population-based cohort study

  Gruneir A, Bronskill S, Bell C, Gill S, Schull M, Ma X, Anderson G, Rochon PA. J Am Med Dir Assoc . 2011; 13(3):202-6. Epub 2011 Nov 6.

• Quality measures for medication continuity in long-term care facilities, using a structured panel process

  Bell CM, Brener SS, Comrie R, Anderson GM, Bronskill SE. Drugs Aging. 2012; 29(4):319-27.

• Predictors of mortality among long-term care residents with SARS-CoV-2 infection

  Lee DS, Ma S, Chu A, Wang CX, Wang X, Austin PC, McAlister FA, Vasu SK, Kapral MK, Kaul P, Ko DT, Rochon P, Schull MJ, Rubin BB, Wang B; CORONA Collaboration. J Am Geriatr Soc. 2021; 69(12):3377-88. Epub 2021 Aug 19. DOI: https://doi.org/10.1111/jgs.17425

• Do patients retain their family physicians after long-term care entry? A retrospective cohort study

  Staykov E, Qureshi D, Scott M, Talarico R, Hsu AT, Howard M, Costa AP, Fung C, Ip M, Liddy C, Tanuseputro P. J Am Med Dir Assoc. 2020; 21(12):1951-7. Epub 2020 Jun 22. DOI: https://doi.org/10.1016/j.jamda.2020.04.016

• Correlates of opioid use among Ontario long-term care residents and variation by pain frequency and intensity: a cross-sectional analysis

  Iacono A, Campitelli MA, Bronskill SE, Hogan DB, Iaboni A, Maclagan LC, Gomes T, Tadrous M, Evans C, Gruneir A, Guan Q, Hadjistavropoulos T, Cotton C, Gill SS, Seitz DP, Ho J, Maxwell CJ. Drugs Aging. 2022; Aug 17 [Epub ahead of print]. DOI: https://doi.org/10.1007/s40266-022-00972-9

• Ontario Stroke Evaluation Report 2018: Stroke Care and Outcomes in Complex Continuing Care and Long-Term Care

  Hall RE, Tee A, Khan F, McCormack D, Levi J, Verrilli S, Quant S, Donnelly B, Brown G, Campbell W, Brown P, Cristofaro K, Bayley MT. April 2018.

• Virtual learning collaboratives to improve urine culturing and antibiotic prescribing in long-term care: controlled before-and-after study

  Chambers A, Chen C, Brown KA, Daneman N, Langford B, Leung V, Adomako K, Schwartz KL, Moore JE, Quirk J, MacFarlane S, Cronsberry T, Garber GE. BMJ Qual Saf. 2022; 31(2):94-104. Epub 2021 Apr 14. DOI: https://doi.org/10.1136/bmjqs-2020-012226

• Anticholinergic drug burden in persons with dementia taking a cholinesterase inhibitor: the effect of multiple physicians

  Reppas-Rindlisbacher CE, Fischer HD, Fung K, Gill SS, Seitz D, Tannenbaum C, Austin PC, Rochon PA. J Am Geriatr Soc. 2016; 64(3):492-500. Epub 2016 Mar 21.

• One-year survival and admission to hospital for cardiovascular events among older residents of long-term care facilities who were prescribed intensive- and moderate-dose statins

  Campitelli MA, Maxwell CJ, Maclagan LC, Ko DT, Bell CM, Jeffs L, Morris AM, Lapane KL, Daneman N, Bronskill SE. CMAJ. 2019; 191(2):E32-9. Epub 2019 Jan 24. DOI: 10.1503/cmaj.180853.

• February 2017

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• October 2007

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• October 2010

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• April 2013

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• November 2015

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  • Association of mirabegron with the risk of arrhythmia in adult patients 66 years or older—a population-based cohort study
  • Antipsychotic initiation among adults with intellectual and developmental disabilities in Ontario: a population-based cohort study

  ICES in the News

  • Association of primary care continuity with outcomes following transition to adult care for adolescents with severe mental illness
  • A 15-year population-based investigation of sexual assault cases across the province of Ontario, Canada, 2002–2016
  • Health outcomes of young children born to mothers who received 2009 pandemic H1N1 influenza vaccination during pregnancy: retrospective cohort study
  • Rates of emergency department visits attributable to alcohol use in Ontario from 2003 to 2016: a retrospective population-level study

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  • End-of-life care in individuals with respiratory diseases: a population study comparing the dying experience between those with chronic obstructive pulmonary disease and lung cancer
  • Regional variation of premature mortality in Ontario, Canada: a spatial analysis
  • The time-varying effect of radiotherapy after breast-conserving surgery for DCIS
  • The impact of the long-term care homes act and public reporting on physical restraint and potentially inappropriate antipsychotic use in Ontario's long-term care homes
  • Can administrative data improve the performance of cancer clinical trial economic analyses?
  • Comparison of outcomes in elective endovascular aortic repair vs open surgical repair of abdominal aortic aneurysms

• Uptake of the heart failure management incentive billing code by family physicians in Ontario, Canada: a retrospective cohort study

  Benipal B, Wang X, Austin PC, Lee DS, Demers C. Can J Cardiol. 2021; 37(3):508-12. Epub 2020 Aug 31. DOI: https://doi.org/10.1016/j.cjca.2020.08.020

• The economic burden of chronic psychotic disorders in Ontario

  de Oliveira C, Cheng J, Rehm J, Kurdyak P. J Ment Health Policy Econ. 2016; 19(4):181-92. Epub 2016 Dec 1.

• Comparison of end-of-life care between recent immigrants and long-standing residents in Ontario, Canada

  Quach BI, Qureshi D, Talarico R, Hsu AT, Tanuseputro P. JAMA Netw Open. 2021; 4(11):e2132397. Epub 2021 Nov 2. DOI: https://doi.org/10.1001/jamanetworkopen.2021.32397

• July 2016

  • Study of one million patients shows link between type 2 diabetes and many types of cancer
  • Home blood pressure monitoring may be driving unnecessary visits to ER
  • Concussion triples adult suicide risk, with rates highest following weekend concussions
  • Researchers find unexpected association between younger donor age, female sex and transfusion outcomes
  • New opioid use in adults with chronic obstructive pulmonary disease associated with increased risk of death
  • Study casts doubt on clinical significance of gadolinium brain deposits
  • First issue of Data and Discovery now available
  • Poorer children with diabetes have more adverse events using insulin pumps despite 24-hour support
  • Age, dementia, and long-term care residence are predictors of lower oral anticoagulant use for secondary stroke prevention
  • Older recipient age and female sex associated with increased fracture risk in kidney transplant recipients

• Waiting Lists for Radiation Therapy in Ontario

  Bondy S, Slaughter P, Przybysz R, Benk V, Hodgson D, Iscoe N, Paszat L, Laupacis A, Glazer D, Li C, Tucker W. December 2002

• Variations in Quality Indicators Across Ontario Physician Networks

  Stukel TA, Croxford R, Rahman F, Bierman AS, Glazier RH. June 2016.

• Taking Stock: A report on the quality of mental health and addictions services in Ontario

  Brien S, Grenier L, Kapral M, Kurdyak P, Vigod S. December 2015.

• The challenges of prescribing drug therapy to older people

  Dergal J, Rochon P. Geriatr Aging. 2001; 4(1):7-8.

• Costs associated with developing and implementing a computerized clinical decision support system for medication dosing for patients with renal insufficiency in the long-term care setting

  Field TS, Rochon P, Lee M, Gavendo L, Subramanian S, Hoover S, Baril J, Gurwitz J. J Am Med Inform Assoc. 2008; 15(4):466-72. Epub 2008 Apr 24.

• Ontario Stroke Evaluation Report 2012: Prescribing System Solutions to Improve Stroke Outcomes

  Hall R, Khan F, O’Callaghan C, Kapral MK, Hodwitz K, Fang J, Bayley M. June 2012

• June 2017

  Infographics

  • The Mental Health of Children and Youth in Ontario: 2017 Scorecard
  • Two-thirds of Ontario hip fracture procedures are performed after hours

  Videos

  • Playlist: ICES Mental Health & Addictions Research Symposium 2017

  ICES in the News

  • A 1980 letter on the risk of opioid addiction
  • Ontario and LHIN 2015/16 Stroke Report Cards and Progress Reports: Setting the Bar Higher

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  • Influences on the start, selection and duration of treatment with antibiotics in long-term care facilities
  • The impact of opioid medications on subsequent fractures in discharged emergency department patients with peripheral vertigo
  • Impact of immigration status on cancer outcomes in Ontario, Canada
  • Implementation and utilisation of telepsychiatry in Ontario: a population-based study
  • Impact of the publication of appropriate use criteria on utilization rates of myocardial perfusion imaging studies in Ontario, Canada: a population-based study
  • Adverse cardiac events associated with incident opioid drug use among older adults with COPD
  • Critical care at the end of life: a population-level cohort study of cost and outcomes

• Inclusion of drugs in provincial drug benefit programs: who is making these decisions, and are they the right ones?

  Laupacis A. CMAJ. 2002; 166(1):44-7.

• MRI services in Ontario: Is evidence-based planning currently feasible?

  Iron K, Laupacis A, McColgan P, Przybysz R. Hosp Q. 2003; 6(3):27-9.

• Health System Use by Frail Ontario Seniors: An In-Depth Examination of Four Vulnerable Cohorts

  Bronskill SE, Camacho X, Gruneir A, Ho MM, editors. November 2011.

• Aging in Ontario: An ICES Chartbook of Health Service Use by Older Adults

  Bronskill SE, Carter MW, Costa AP, Esensoy AV, Gill SS, Gruneir A, Henry DA, Hirdes JP, Jaakkimainen RL, Poss JW, Wodchis WP. September 2010

• October 2019

  Infographics

  • Influenza vaccine effectiveness in preventing hospitalizations in older patients with chronic obstructive pulmonary disease
  • Association between physician intensity of antibiotic prescribing and the prescription of benzodiazepines, opioids and proton-pump inhibitors to nursing home residents: a population-based observational study
  • Cardiovascular consequences of obstructive sleep apnea in women: a historical cohort study

  ICES in the News

  • Prevalence of inappropriateness of parenteral vitamin B12 administration in Ontario, Canada

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  • One-year home-time and mortality after thrombolysis compared with nontreated patients in a propensity-matched analysis
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  • Time trends in opioid prescribing among Ontario long-term care residents: a repeated cross-sectional study
  • Association of early-stage breast cancer and subsequent chemotherapy with risk of atrial fibrillation
  • An opioid prescription for men undergoing minor urologic surgery is associated with an increased risk of new persistent opioid use
  • Emergency department use in people who experience imprisonment in Ontario, Canada
  • Data variability across Canadian administrative health databases: differences in content, coding, and completeness

• COVID-19 in Immigrants, Refugees and Other Newcomers in Ontario: Characteristics of Those Tested and Those Confirmed Positive, as of June 13, 2020

  Guttmann A, Gandhi S, Wanigaratne S, Lu H, Ferreira-Legere LE, Paul J, Gozdyra P, Campbell T, Chung H, Fung K, Chen B, Kwong JC, Rosella L, Shah BR, Saunders N, Paterson JM, Bronskill SE, Azimaee M, Vermeulen MJ, Schull MJ. September 2020.

• Supporting policy and practice in Ontario through ICES’ Applied Health Research Question (AHRQ) program

  Ishiguro L, An DA, Plumptre L, Paul J, Mecredy G, Li K, Ho M, Victor JC, Schull MJ, Bronskill SE, Paterson JM. Int J Popul Data Sci. 2021; 6(3):1683. Epub 2021 Oct 28. DOI: https://doi.org/10.23889/ijpds.v6i3.1683

• February 2022

  Event

  • ICES Research Forum – Save the Date

  Infographics

  • Utilization of physician-based mental health care services among children and adolescents before and during the COVID-19 pandemic in Ontario, Canada
  • The association between recreational cannabis legalization, commercialization and cannabis attributable emergency department visits in Ontario, Canada: an interrupted time-series analysis

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  • Incident cancer detection during the COVID-19 pandemic
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  • COVID-19 excess mortality among long-term care residents in Ontario, Canada
  • The rate of unnecessary interventions for the management of knee osteoarthritis: a population-based cohort study
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  • Association between handover of anesthesiology care and 1-year mortality among adults undergoing cardiac surgery
  • Practice profiles and patterns of Ontario family medicine residents 5 years after residency examinations: an exploratory study
  • Drug overdoses during the COVID-19 pandemic among recently homeless individuals
  • Prevalence, cost, and variation in cost of pediatric hospitalizations in Ontario, Canada
  • Association of diabetes duration and glycemic control with stroke rate in patients with atrial fibrillation and diabetes: a population-based cohort study

• July 2022

  Infographics

  • Association of early physician follow-up with readmission among patients hospitalized for acute myocardial infarction, congestive heart failure, or chronic obstructive pulmonary disease
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  • Examination of trends in diabetes incidence among children during the COVID-19 pandemic in Ontario, Canada, from March 2020 to September 2021

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  • Comparison of machine learning and the regression-based EHMRG model for predicting early mortality in acute heart failure
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  • SARS-CoV-2 testing, infection and outcomes among Ontario physicians: a descriptive population-based cohort study

• Treatment of pressure ulcers: a systematic review

  Reddy M, Gill SS, Kalkar SR, Wu W, Anderson PJ, Rochon PA. JAMA. 2008; 300(22):2647-62.

• Long-term outcomes and resource utilization of endovascular versus open repair of abdominal aortic aneurysms in Ontario

  Jetty P, Hebert P, van Walraven C. J Vasc Surg. 2010; 51(3):577-83.e1-3. Epub 2010 Jan 4.

• Adverse cardiac events associated with incident opioid drug use among older adults with COPD

  Vozoris NT, Wang X, Austin PC, Lee DS, Stephenson AL, O'Donnell DE, Gill SS, Rochon PA. Eur J Clin Pharmacol. 2017; 73(10):1287-95. Epub 2017 Jun 29.

• Care setting and 30-day hospital readmissions among older adults: a population-based cohort study

  Gruneir A, Fung K, Fischer HD, Bronskill SE, Panjwani D, Bell CM, Dhalla I, Rochon PA, Anderson G. CMAJ. 2018; 190(38):E1124-33. Epub 2018 Sep 24.

• The health care cost of dying: a population-based retrospective cohort study of the last year of life in Ontario, Canada

  Tanuseputro P, Wodchis WP, Fowler R, Walker P, Bai YQ, Bronskill SE, Manuel D. PLoS One. 2015; 10(3):e0121759.

• Variation in the days supply field for osteoporosis medications in Ontario

  Burden AM, Huang A, Tadrous M, Cadarette SM. Arch Osteoporos. 2013; 8:128. Epub 2013 Mar 9.

• Trajectories of health system use and survival for community-dwelling persons with dementia: a cohort study

  Bronskill SE, Maclagan LC, Walker JD, Guan J, Wang X, Ng R, Rochon PA, Yates EA, Vermeulen MJ, Maxwell CJ. BMJ Open. 2020; 10(7):e037485. Epub 2020 Jul 23. DOI: http://dx.doi.org/10.1136/bmjopen-2020-037485

• The impact of dementia and language on hospitalizations: a retrospective cohort of long-term care residents

  Riad K, Webber C, Batista R, Reaume M, Rhodes E, Knight B, Prud’homme D, Tanuseputro P. BMC Geriatr. 2020; 20(1):397. Epub 2020 Oct 8. DOI: https://doi.org/10.1186/s12877-020-01806-2

• Looking across health and healthcare outcomes for people with intellectual and developmental disabilities and psychiatric disorders: population-based longitudinal study

  Lin E, Balogh R, Chung H, Dobranowski K, Durbin A, Volpe T, Lunsky Y. Br J Psychiatry. 2020; 218(1):51-7. Epub 2020 Nov 9. DOI: https://doi.org/10.1192/bjp.2020.202

• Duration of SARS-CoV-2 shedding: a population-based, Canadian study

  Phillips SP, Wei X, Kwong JC, Gubbay J, Schwartz KL, Majury A, Groome PA. PLoS One. 2021; 16(6):e0252217. Epub 2021 Jun 17. DOI: https://doi.org/10.1371/journal.pone.0252217

• Association of neighborhood-level material deprivation with health care costs and outcome after stroke

  Yu AXY, Smith EE, Krahn M, Austin PC, Rashid M, Fang J, Porter J, Vyas MV, Bronskill SE, Swartz RH, Kapral MK. Neurology. 2021; 97(15):e1503-11. Epub 2021 Aug 18. DOI: https://doi.org/10.1212/WNL.0000000000012676

• The predictive utility of functional status at discharge: a population-level cohort analysis

  Junek ML, Jones A, Heckman G, Demers C, Griffith LE, Costa AP. BMC Geriatr. 2022; 22(1):8. Epub 2022 Jan 3. DOI: https://doi.org/10.1186/s12877-021-02652-6

• Long-term opioid use in seniors following hip and knee arthroplasty in Ontario: a historical cohort study

  Johnson A, Milne B, Pasquali M, Jamali N, Mann S, Gilron I, Moore K, Graves E, Parlow J. Can J Anaesth. 2021; 69(8):934-44. Epub 2021 Aug 25. DOI: https://doi.org/10.1007/s12630-021-02091-2

• Level of need, divertibility, and outcomes of newly admitted nursing home residents

  Tanuseputro P, Hsu A, Kuluski K, Chalifoux M, Donskov M, Beach S, Walker P. J Am Med Dir Assoc. 2017; 18(7):616-23. Epub 2017 Apr 1.

• Use of beta-blocker therapy in older patients after acute myocardial infarction in Ontario

  Rochon PA, Anderson GM, Tu JV, Clark JP, Gurwitz JH, Szalai JP, Lau P. CMAJ. 1999; 161(11):1403-8.

• Unplanned index hospital admissions among new older high-cost health care users in Ontario: a population-based matched cohort study

  Muratov S, Lee J, Holbrook A, Paterson JM, Guertin JR, Mbuagbaw L, Gomes T, Khuu W, Pequeno P, Tarride JE. CMAJ Open. 2019; 7(3):E537-45. Epub 2019 Aug 25. DOI: 10.9778/cmajo.20180185.

• Patient-centered time-at-home outcomes in older adults after surgical cancer treatment

  Chesney TR, Haas B, Coburn NG, Mahar AL, Zuk V, Zhao H, Wright FC, Hsu AT, Hallet J; Recovery After Surgical Therapy for Older Adults Research–Cancer (RESTORE-Cancer) Group. JAMA Surg. 2020; 155(11):e203754. Epub 2020 Oct 7. DOI: https://doi.org/10.1001/jamasurg.2020.3754

• Describing differences among recent immigrants and long-standing residents waiting for long-term care: a population-based retrospective cohort study

  Qureshi D, Schumacher C, Talarico R, Lapenskie J, Tanuseputro P, Scott M, Hsu A. J Am Med Dir Assoc. 2021; 22(3):648-55. Epub 2020 Sep 20. DOI: https://doi.org/10.1016/j.jamda.2020.07.018

• Healthcare system costs associated with surgery and medical therapy for children with drug-resistant epilepsy in Ontario

  Widjaja E, Demoe L, Yossofzai O, Guttmann A, Tomlinson G, Rutka J, Snead OC, Sander BH. Neurology. 2022; 98(12):e1204-15. Epub 2022 Feb 15. DOI: https://doi.org/10.1212/WNL.0000000000200026

• Comparison of multidimensional frailty instruments for estimation of long-term patient-centered outcomes after cardiac surgery

  Sun LY, Jabagi H, Fang J, Lee DS. JAMA Netw Open. 2022; 5(9):e2230959. Epub 2022 Sep 9. DOI: https://doi.org/10.1001/jamanetworkopen.2022.30959

• Initial health care costs for COVID-19 in British Columbia and Ontario, Canada: an interprovincial population-based cohort study

  Tsui TCO, Zeitouny S, Bremner KE, Cheung DC, Mulder C, Croxford R, Del Giudice L, Lapointe-Shaw L, Mendlowitz A, Wong WWL, Perlis N, Sander B, Teckle P, Tomlinson G, Walker JD, Malikov K, McGrail KM, Peacock S, Kulkarni GS, Pataky RE, Krahn MD. CMAJ Open. 10(3):E818-30. Epub 2022 Sep 20. DOI: https://doi.org/10.9778/cmajo.20210328

• Clinical and demographic characteristics of patients receiving different oral hypoglycemic agents

  Gomes T, Juurlink DN, Lipscombe LL, Mamdani MM. Pharmacoepidemiol Drug Saf. 2009; 18(8):756-60.

• Evaluation of the equity of age-sex adjusted primary care capitation payments in Ontario, Canada

  Sibley LM, Glazier RH. Health Policy. 2012; 104(2):186-92. Epub 2011 Nov 10.

• Representation of patients with dementia in clinical trials of donepezil

  Gill SS, Bronskill SE, Mamdani M, Sykora K, Li P, Shulman KI, Anderson GM, Hillmer MP, Wodchis WP, Rochon PA. Can J Clin Pharmacol. 2004; 11(2):e274-85. Epub 2004 Dec 15.

• Effects of dementia on postoperative outcomes of older adults with hip fractures: a population based study

  Seitz DP, Gill SS, Gruneir A, Austin PC, Anderson GM, Bell CM, Rochon PA. J Am Med Dir Assoc. 2014; 15(5):334-41.

• The effect of computerized physician order entry with clinical decision support on the rates of adverse drug events: a systematic review

  Wolfstadt JI, Gurwitz JH, Field TS, Lee M, Kalkar S, Wu W, Rochon PA. J Gen Intern Med. 2008; 23(4):451-8.

• A rural CT scanner: evaluating the effect on local health care

  Merkens BJ, Mowbray RD, Creeden L, Engels PT, Rothwell DM, Chan BT, Tu K. Can Assoc Radiol J. 2006; 57(4):224-31.

• Use of beta-blockers for uncomplicated hypertension in the elderly: a cause for concern

  Tu K, Campbell NR, Chen Z, McAlister FA. J Hum Hypertens. 2007; 21(4):271-5. Epub 2007 Feb 8.

• The prescription of insulin pen devices versus syringes for older people with diabetes

  Shaghouli AA, Shah BR. Diabetes Technol Ther. 2009; 11(7):439-42.

• Cost-effectiveness of specialized multidisciplinary heart failure clinics in Ontario, Canada

  Wijeysundera HC, Machado M, Wang X, Van Der Velde G, Sikich N, Witteman W, Tu JV, Lee DS, Goodman SG, Petrella R, O'Flaherty M, Capewell S, Krahn M. Value Health. 2010; 13(8):915-21. Epub 2010 Nov 23.

• Barriers and facilitators to the implementation of Ontario's emergency department clinical decision unit pilot program: a qualitative study

  Salkeld E, Leaver CA, Guttmann A, Vermeulen MJ, Rowe BH, Sales A, Schull MJ. CJEM. 2011; 13(6):363-71.

• Direct costs of adult traumatic spinal cord injury in Ontario

  Munce SE, Wodchis WP, Guilcher SJ, Couris CM, Verrier M, Fung K, Craven BC, Jaglal SB. Spinal Cord. 2013; 51(1):64-9. Epub 2012 Jul 17.

• Evaluating the effect of clinical decision units on patient flow in seven Canadian emergency departments

  Schull MJ, Vermeulen MJ, Stukel TA, Guttmann A, Leaver CA, Rowe BH, Sales A. Acad Emerg Med. 2012; 19(7):828-36. Epub 2012 Jul 16.

• Serious events in older Ontario residents receiving bowel preparations for outpatient colonoscopy with various comorbidity profiles: a descriptive, population-based study

  Ho JM, Gruneir A, Fischer HD, Fu L, Lipscombe LL, Bell CM, Cavalcanti RB, Anderson GM. Can J Gastroenterol. 2012; 26(7):436-40.

• Use of clarithromycin and adverse cardiovascular events among older patients receiving donepezil: a population-based, nested case-control study

  Hutson JR, Fischer HD, Wang X, Gruneir A, Daneman N, Gill SS, Rochon PA, Anderson GM. Drugs Aging. 2012; 29(3):205-11.

• Patient and physician factors associated with pulmonary function testing for COPD: a population study

  Gershon AS, Hwee J, Croxford R, Aaron S, To T. Chest. 2014; 145(2):272-81. Epub 2013 Sep 5.

• Shorter waiting times for hip and knee replacement on the horizon

  Williams JI, Mohamed N, Chapeskie KK. Hosp Q. 2000; 4(2):21.

• Sex differences in stroke care and outcomes: results from the Registry of the Canadian Stroke Network

  Kapral MK, Fang J, Hill MD, Silver F, Richards J, Jaigobin C, Cheung AM; Investigators of the Registry of the Canadian Stroke Network. Stroke. 2005; 36(4):809-14. Epub 2005 Feb 24.

• Impact of seizures on morbidity and mortality after stroke: a Canadian multi-centre cohort study

  Burneo JG, Fang J, Saposnik G; Investigators of the Registry of the Canadian Stroke Network. Eur J Neurol. 2010; 17(1):52-8. Epub 2009 Jul 21.

• Serotonergic antidepressant use and morbidity and mortality among older adults with COPD

  Vozoris NT, Wang X, Austin PC, Stephenson AL, O'Donnell DE, Gershon AS, Gill SS, Rochon PA. Eur Respir J. 2018; 52(1):1800475. Epub 2018 Jun 25.

• A review of health surveillance in older adults with intellectual and developmental disabilities

  Ouellette-Kuntz H, Martin L, McKenzie K. Int Rev Res Dev Disabil. 2015; 48:151-94.

• Cost-effectiveness of clopidogrel, prasugrel and ticagrelor for dual antiplatelet therapy after acute coronary syndrome: a decision-analytic model

  Abdel-Qadir H, Roifman I, Wijeysundera HC. CMAJ Open. 2015; 3(4):E438-46.

• Adherence to osteoporosis pharmacotherapy is underestimated using days supply values in electronic pharmacy claims data

  Burden AM, Paterson JM, Gruneir A, Cadarette SM. Pharmacoepidemiol Drug Saf. 2015; 24(1):67-74. Epub 2014 Oct 21.

• Effects of impairment in activities of daily living on predicting mortality following hip fracture surgery in studies using administrative healthcare databases

  Seitz DP, Anderson GM, Austin PC, Gruneir A, Gill SS, Bell CM, Rochon PA. BMC Geriatr. 2014; 14:9. Epub 2014 Jan 28.

• Cost analysis of a high support housing initiative for persons with severe mental illness and long-term psychiatric hospitalization

  Rudoler D, de Oliveira C, Jacob B, Hopkins M, Kurdyak P. Can J Psychiatry. 2018; 63(7):492-500. Epub 2018 Mar 25.

• February 2019

  Infographics

  • Social licence and the general public’s attitudes toward research based on linked administrative health data, a qualitative study
  • Do doctors who order more routine medical tests diagnose more cancers? A population-based study from Ontario, Canada
  • Injection of opioids linked to increase in bacterial heart infections
  • Cause-specific mortality among HIV-infected people in Ontario, 1995–2014: a population-based retrospective cohort study
  • Association of surgical intervention for adhesive small-bowel obstruction with the risk of recurrence

  ICES in the News

  • How using your Ontario health card creates system change
  • Infertility treatment and risk of severe maternal morbidity: a propensity score-matched cohort study
  • Association of transvaginal mesh complications with the risk of new-onset depression or self-harm in women with a midurethral sling
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  • Survival and health care use after feeding tube placement in children with neurologic impairment
  • Disparities in breast cancer diagnosis for immigrant women in Ontario and BC: results from the CanIMPACT study

• Addressing Gaps in the Health Care Services Used by Adults with Developmental Disabilities in Ontario

  Lin E, Balogh RS, Durbin A, Holder L, Gupta N, Volpe T, Isaacs BJ, Weiss JA, Lunsky Y. February 2019.

• Description of a longitudinal cohort to study the health of Canadian veterans living in Ontario

  Mahar AL, Aiken AB, Kurdyak P, Whitehead M, Groome PA. J Mil Veteran Fam Health. 2016; 2(1):33-42

• September 2019

  Infographics

  • Risks of preoperative anemia in women undergoing elective hysterectomy and myomectomy
  • Sex-specific differences in end-of-life burdensome interventions and antibiotic therapy in nursing home residents with advanced dementia
  • Chronic physical conditions and risk for perinatal mental illness: a population-based retrospective cohort study
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  ICES in the News

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  • Days spent at home in the last 6 months of life: a quality indicator of end of life care in patients with hematologic malignancies
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  • Ambient air pollution and the risk of atrial fibrillation and stroke: a population-based cohort study
  • Incidence of hospitalizations and emergency department visits for herpes zoster in immunocompromised and immunocompetent adults in Ontario, Canada, 2002-2016
  • Understanding those overdue for cancer screening by five years or more: a retrospective cohort study in Ontario, Canada
  • Impact of the 2016 policy change on the delivery of Medscheck services in Ontario: an interrupted time-series analysis
  • The impact of hospital harm on length of stay, costs of care and length of person-centred episodes of care: a retrospective cohort study

• Impact of the 2016 policy change on the delivery of Medscheck services in Ontario: an interrupted time-series analysis

  Shakeri A, Dolovich L, MacCallum L, Gamble JM, Zhou L, Cadarette SM. Pharmacy. 2019; 7(3):E115. Epub 2019 Aug 12. DOI: 10.3390/pharmacy7030115.

• May 2020

  Report

  • COVID-19 Laboratory Testing in Ontario: Patterns of Testing and Characteristics of Individuals Tested, as of April 30, 2020

  Infographics

  • Population-based estimates of health care utilization and expenditures by adults during the last 2 years of life in Canada’s single-payer health system
  • Association between traumatic brain injury and prison charges: a population-based cohort study
  • Five-year risk of admission to long-term care home and death for older adults given a new diagnosis of dementia: a population-based retrospective cohort study
  • Emergency department use by pregnant women in Ontario: a retrospective population-based cohort study

  ICES in the News

  • Inequity in access to transcatheter aortic valve replacement: a pan-Canadian evaluation of wait-times
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  • An international cohort study of birth outcomes associated with hospitalized acute respiratory infection during pregnancy
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  • Long-term survival and costs following extracorporeal membrane oxygenation in critically ill children—a population-based cohort study
  • Use of sodium–glucose cotransporter-2 inhibitors and risk of acute kidney injury in older adults with diabetes: a population-based cohort study
  • Impact of stopping trastuzumab in early breast cancer: a population-based study in Ontario, Canada
  • Preterm birth, unplanned hospital contact, and mortality in infants born to teenage mothers in five countries: an administrative data cohort study

• September 2020

  Report

  • COVID-19 in immigrants, refugees and other newcomers in Ontario: characteristics of those tested and those confirmed positive, as of June 13, 2020

  Infographics

  • Assessment of health conditions and health service use among transgender patients in Canada
  • Describing differences among recent immigrants and long-standing residents waiting for long-term care: a population-based retrospective cohort study

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  • A case-control study of the Sub-Acute care for Frail Elderly (SAFE) unit on hospital readmission, emergency department visits and continuity of post-discharge care
  • Low-density lipoprotein cholesterol and adverse cardiovascular events after percutaneous coronary intervention
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  • High risk of Clostridium difficile infection among spinal cord injured patients after the use of antibiotics commonly used to treat urinary tract infections
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  • Prevalence and predictors of reincarceration after correctional center release: a population-based comparison of individuals with and without schizophrenia in Ontario, Canada
  • Uptake of the heart failure management incentive billing code by family physicians in Ontario, Canada: a retrospective cohort study
  • Reoperation cascade in postmastectomy breast reconstruction and its associated factors: results from a long‐term population‐based study

• Temporal trends in sudden cardiac death in Ontario, Canada

  Shuvy M, Qiu F, Lau G, Koh M, Dorian P, Geri G, Lin S, Ko DT. Resuscitation. 2019; 136:1-7. Epub 2019 Jan 14.

• October 2020

  Infographics

  • Residential greenspace in childhood reduces risk of pediatric inflammatory bowel disease: a population-based cohort study
  • Estimated surge in hospital and intensive care admission because of the coronavirus disease 2019 pandemic in the Greater Toronto Area, Canada: a mathematical modelling study
  • Modest increase in fertility consultations in female adolescents and young adults with lymphoma: a population-based study

  ICES in the News

  • Firearm-related injuries and deaths in Ontario, Canada, 2002-2016: a population-based study
  • Morbidity and mortality associated with prescription cannabinoid drug use in COPD
  • Medication discontinuation in adults with chronic obstructive pulmonary disease discharged from hospital: a population-based cohort study
  • Association between exposure to general versus regional anesthesia and risk of dementia in older adults
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  • Drug utilization in Ontario during the COVID-19 pandemic
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  • Are anticholinergic medications used for overactive bladder associated with new onset depression? A population-based matched cohort study
  • Deconstructing the rise in mental health–related ED visits among children and youth in Ontario, Canada
  • One size does not fit all: diabetes prevalence among immigrants of the South Asian diaspora
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• December 2020

  Infographics

  • Mortality among patients with frequent emergency department use for alcohol-related reasons in Ontario: a population-based cohort study
  • Association between ABO and Rh blood groups and SARS-CoV-2 infection or severe COVID-19 illness: a population-based cohort study
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  • COVID-19 in Ontario
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  • Association between neuraxial anaesthesia or general anaesthesia for lower limb revascularisation surgery in adults and clinical outcomes: population based comparative effectiveness study
  • Economic burden of epilepsy in children: a population-based matched cohort study in Canada
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  • Mental health and addictions system performance in Ontario: an updated scorecard, 2009-2017
  • Higher-dose sitagliptin and the risk of congestive heart failure in older adults with CKD
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  • The LENT index predicts 30 day outcomes following hospitalization for heart failure
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• January 2021

  Event

  • ICES Winter Forum

  Infographics

  • Testing, infection and complication rates of COVID-19 among people with a recent history of homelessness in Ontario, Canada: a retrospective cohort study
  • Impact of geography on care delivery and survival for noncurable pancreatic adenocarcinoma: a population-based analysis
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  • Statin exposure and risk of heart failure after anthracycline- or trastuzumab-based chemotherapy for early breast cancer: a propensity score-matched cohort study
  • Access to bariatric surgery among older patients in a publicly funded regionalized care system
  • Mental health services provision in primary care and emergency department settings: analysis of blended fee-for-service and blended capitation models in Ontario, Canada
  • Correlates of non-adherence to breast, cervical, and colorectal cancer screening among screen-eligible women: a population-based cohort study in Ontario, Canada
  • Effect of socio-demographic and health factors on the association between multimorbidity and acute care service use: population-based survey linked to health administrative data

• Dialysis modality and mortality in heart failure: a retrospective study of incident dialysis patients

  Molnar AO, Bota SE, Garg AX, Ouédraogo A, Dixon SN, Naylor K, Oliver M, Sood MM. Cardiorenal Med. 2020; 10(6):452-61. Epub 2020 Nov 25. DOI: https://doi.org/10.1159/000511168

• Gestational diabetes and incident heart failure: a cohort study

  Echouffo-Tcheugui JB, Guan J, Retnakaran R, Shah BR. Diabetes Care. 2021; 44(10):2346-52. Epub 2021 Aug 12. DOI: https://doi.org/10.2337/dc21-0552

• January 2022

  Infographics

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  • Trends in health service use for Canadian adults with dementia and Parkinson disease during the first wave of the COVID-19 pandemic
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  • COVID-19 vaccination uptake among individuals with immune-mediated inflammatory diseases in Ontario, Canada between December 2020 and October 2021: a population-based analysis

• Trends and factors associated with suicide deaths in older adults in Ontario Canada

  Novilla-Surette EMP, Shariff SZ, Le B, Booth RG. Can Geriatr J. 2022; 25(2):134-61. Epub 2022 Jun 1. DOI: https://doi.org/10.5770/cgj.25.541

• September 2022

  Infographics

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  • Changes in emergency department visits for cannabis hyperemesis syndrome following recreational cannabis legalization and subsequent commercialization in Ontario, Canada
  • Family physicians stopping practice during the COVID-19 pandemic in Ontario, Canada

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  • Initial healthcare costs for COVID-19 in British Columbia and Ontario, Canada: an inter-provincial population-based cohort study
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  • Trends in quality indicators of end-of-life care for women with gynecologic malignancies in Ontario, Canada
  • Rates, predictive factors, and adverse outcomes of fusion surgery for lumbar degenerative disorders in Ontario, Canada between 2006 and 2015: a retrospective cohort study
  • Cognitive decline in long-term care residents before and during the COVID-19 pandemic in Ontario, Canada
  • Regional collaborative home-based palliative care and health care outcomes among adults with heart failure
  • Incidence and mortality of emergency general surgery conditions among solid-organ transplant recipients in Ontario, Canada: a population-based analysis

• Comparative risk of harm associated with trazodone or atypical antipsychotic use in older adults with dementia: a retrospective cohort study

  Watt JA, Gomes T, Bronskill SE, Huang A, Austin PC, Ho JM, Straus SE. CMAJ. 2018; 190(47):E1376-83. Epub 2018 Nov 26.

• The prevalence and health consequences of frailty in a population-based older home care cohort: a comparison of different measures

  Campitelli MA, Bronskill SE, Hogan DB, Diong C, Amuah JE, Gill S, Seitz D, Thavorn K, Wodchis WP, Maxwell CJ. BMC Geriatr. 2016; 16(1):133.

• Long-term outcomes and healthcare utilization following critical illness – a population-based study

  Hill AD, Fowler RA, Pinto R, Herridge MS, Cuthbertson BH, Scales DC. Crit Care. 2016; 20(1):76.

• Rehabilitation of older adults with dementia after hip fracture

  Seitz DP, Gill SS, Austin PC, Bell CM, Anderson GM, Gruneir A, Rochon PA. J Am Geriatr Soc. 2016; 64(1):47-54. Epub 2016 Jan 19.

• Predictors and outcomes of dysphagia screening after acute ischemic stroke

  Joundi RA, Martino R, Saposnik G, Giannakeas V, Fang J, Kapral MK. Stroke. 2017; 48(4):900-6. Epub 2017 Mar 8.

• Phase-specific health care costs of cervical cancer: estimates from a population-based study

  Liu N, Mittmann N, Coyte PC, Hancock-Howard R, Seung SJ, Earle CC. Am J Obstet Gynecol. 2016; 214(5):615.e1-11. Epub 2015 Nov 25.

• Effects of cholinesterase inhibitors on postoperative outcomes of older adults with dementia undergoing hip fracture surgery

  Seitz DP, Gill SS, Gruneir A, Austin PC, Anderson G, Reimer CL, Rochon PA. Am J Geriatr Psychiatry. 2011; 19(9):803-13.

• Risk of suicide after a concussion

  Fralick M, Thiruchelvam D, Tien HC, Redelmeier DA. CMAJ. 2016; 188(7):497-504. Epub 2016 Feb 8.

• Economic analysis of Heart and Stroke Foundation of Ontario’s Hypertension Management Initiative

  de Oliveira C, Wijeysundera HC, Tobe SW, Lum-Kwong MM, Von Sychowski S, Wang X, Tu JV, Krahn MD. Clinicoecon Outcomes Res. 2012; 4:323-36. Epub 2012 Nov 13.

• Incidence and economic burden of adverse drug reactions among elderly patients in Ontario emergency departments: a retrospective study

  Wu C, Bell CM, Wodchis WP. Drug Saf. 2012; 35(9):769-81. Epub 2012 Dec 13.

• Antibiotic prescribing for nonbacterial acute upper respiratory infections in elderly persons

  Silverman M, Povitz M, Sontrop JM, Li L, Richard L, Cejic S, Shariff SZ. Ann Intern Med. 2017; 166(11):765-74. Epub 2017 May 9.

• Costs of health care across primary care models in Ontario

  Laberge M, Wodchis WP, Barnsley J, Laporte A. BMC Health Serv Res. 2017; 17:511. Epub 2017 Aug 1.

• Ezetimibe prescriptions in older Canadian adults after an acute myocardial infarction: a population-based cohort study

  Clemens KK, Shariff SZ, McArthur E, Hegele RA. Lipids Health Dis. 2018; 17:8. Epub 2018 Jan 8.

• Effect of a brief emergency medicine education course on emergency department work intensity of family physicians

  Vaillancourt S, Schultz SE, Leaver C, Stukel TA, Schull MJ. CJEM. 2013; 15(1):34-41.

• Assessing potentially inappropriate prescribing (PIP) and predicting patient outcomes in Ontario’s older population: a population-based cohort study applying subsets of the STOPP/START and Beers’ criteria in large health administrative databases

  Bjerre LM, Ramsay T, Cahir C, Ryan C, Halil R, Farrell B, Thavorn K, Catley C, Hawken S, Gillespie U, Manuel DG. BMJ Open. 2015; 5(11):e010146.

• Examining exposure misclassification of oral bisphosphonate therapy and the associated fracture risk: a cohort study

  Burden AM, Gruneir A, Paterson JM, Cadarette SM. Adv Pharmacoepidemiol Drug Saf. 2015; 4:4.

• Ontario's Emergency Department Process Improvement Program: the experience of implementation

  Rotteau L, Webster F, Salkeld E, Hellings C, Guttmann A, Vermeulen MJ, Bell RS, Zwarenstein M, Rowe BH, Nigam A, Schull MJ; ED Investigator Team. Acad Emerg Med. 2015; 22(6):720-9. Epub 2015 May 20.

• Professional pharmacy services and patient complexity: an observational study

  Ignacy TA, Camacho X, Mamdani M, Juurlink D, Paterson M, Gomes T. J Pharm Pharm Sci. 2015; 18(5):863-70.

• The impact of policies to reduce blood glucose test strip utilization and costs in Canada

  Gomes T, Martins D, Cheng L, Kratzer J, Juurlink DN, Shah BR, Mamdani MM, Paterson JM, Law MR. Can J Public Health. 2015; 106(4):e210-6.

• Using an accumulation of deficits approach to measure frailty in a population of home care users with intellectual and developmental disabilities: an analytical descriptive study

  McKenzie K, Ouellette-Kuntz H, Martin L. BMC Geriatr. 2015; 15:170.

• Outcomes among patients with direct enteral vs nasogastric tube placement after acute stroke

  Joundi RA, Saposnik G, Martino R, Fang J, Porter J, Kapral MK. Neurology. 2018; 90(7):e544-e552. Epub 2018 Jan 24.

• Patterns of use for brand-name versus generic oral bisphosphonate drugs in Ontario over a 13-year period: a descriptive study

  Fraser LA, Albaum JM, Tadrous M, Burden AM, Shariff SZ, Cadarette SM. CMAJ Open. 2015; 3(1):E91-96.

• Joint impact of dementia and frailty on healthcare utilisation and outcomes: a retrospective cohort study of long-stay home care recipients

  Maxwell CJ, Mondor L, Hogan DB, Campitelli MA, Bronskill SE, Seitz DP, Wodchis WP. BMJ Open. 2019; 9(6):e029523. Epub 2019 Jun 21. DOI: 10.1136/bmjopen-2019-029523.

• Hospital-based cohort study to determine the association between home-time and disability after stroke by age, sex, stroke type, and study year in Canada

  Yu AYX, Fang J, Porter J, Austin PC, Smith EE, Kapral MK. BMJ Open. 2019; 9:e03137. Epub 2019 Nov 11. https://doi.org/10.1136/bmjopen-2019-031379

• Healthcare utilization costs of emerging adults with mood and anxiety disorders in an early intervention treatment program compared to a matched cohort

  John-Baptiste AA, Li L, Isaranuwatchai W, Osuch E, Anderson KK. Early Interv Psychiatry. 2019; 13(6):1439-46. Epub 2019 Jan 27. DOI: https://doi.org/10.1111/eip.12790

• Denosumab utilization among older adults in Ontario: patient characteristics, persistence with therapy, and return to therapy after an extended gap

  Ban JK, Hao BB, McCarthy L, Guilcher SJT, Cadarette SM. Osteoporos Int. 2019; 30(9):1865-72. Epub 2019 Jul 17. DOI: https://doi.org/10.1007/s00198-019-05051-1

• High-cost patients and preventable spending: a population-based study

  de Oliveira C, Cheng J, Chan K, Earle CC, Krahn M, Mittmann N. J Natl Compr Canc Netw. 2020; 18(1):23-31. Epub 2020 Jan 1. DOI: https://doi.org/10.6004/jnccn.2019.7342

• Increasing complexity of new nursing home residents in Ontario, Canada: a serial cross‐sectional study

  Ng R, Lane N, Tanuseputro P, Mojaverian N, Talarico R, Wodchis WP, Bronskill SE, Hsu AT. J Am Geriatr Soc. 2020; 68(6):1293-300. Epub 2020 Mar 2. DOI: https://doi.org/10.1111/jgs.16394

• Mood disorders in late life: a population-based analysis of prevalence, risk factors, and consequences in community-dwelling older adults in Ontario

  Strauss R, Kurdyak P, Glazier RH. Can J Psychiatry. 2020; 65(9):630-40. Epub 2020 May 21. DOI: https://doi.org/10.1177/0706743720927812

• The occurrence and timing of delirium in acute care hospitalizations in the last year of life: a population-based retrospective cohort study

  Webber C, Watt CL, Bush SH, Lawlor PG, Talarico R, Tanuseputro P. Palliat Med. 2020; 34(8):1067-77. Epub 2020 Jun 9. DOI: https://doi.org/10.1177/0269216320929545

• Sex differences in dementia primary care performance and health service use: a population-based study

  Sourial N, Vedel I, Godard-Sebillotte C, Etches J, Arsenault-Lapierre G, Bronskill SE. J Am Geriatr Soc. 2020; 68(5):1056-63. Epub 2020 Feb 5. DOI: https://doi.org/10.1111/jgs.16347

• Bisphosphonate and denosumab initiation in older adults in Ontario, Canada: a population-based cohort study

  Clemens KK, Jeyakumar N, Ouédraogo AM, Thain J, Khan T. Arch Osteoporos. 2020; 15(1):133. Epub 2020 Aug 20. DOI: https://doi.org/10.1007/s11657-020-00796-3

• Disability-free survival after major cardiac surgery: a population-based retrospective cohort study

  Sun LY, Eddeen AB, Mesana TG. CMAJ Open. 2021; 9(2):E384-93. Epub 2021 Apr 16. DOI: https://doi.org/10.9778/cmajo.20200096

• Factors associated with waiting time to breast cancer diagnosis among symptomatic breast cancer patients: a population-based study from Ontario, Canada

  Webber C, Whitehead M, Eisen A, Holloway CMB, Groome PA. Breast Cancer Res Treat. 2021; 187(1):225-35. Epub 2021 Jan 24. DOI: https://doi.org/10.1007/s10549-020-06051-0

• Intracerebral hemorrhage incidence, mortality, and association with oral anticoagulation use: a population study

  Fernando SM, Qureshi D, Talarico R, Tanuseputro P, Dowlatshahi D, Sood MM, Smith EE, Hill MD, McCredie VA, Scales DC, English SW, Rochwerg B, Kyeremanteng K. Stroke. 2021; 52(5):1673-81. Epub 2021 Mar 9. DOI: https://doi.org/10.1161/STROKEAHA.120.032550

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  Tadrous M, Daniels B, Pearson S, Gomes T. CMAJ Open. 2021; 9(4):E1048-54. Epub 2021 Nov 23. DOI: https://doi.org/10.9778/cmajo.20200291

• Risk stratification for COVID-19 hospitalization: a multivariable model based on gradient-boosting decision trees

  Gutierrez JM, Volkovs M, Poutanen T, Watson T, Rosella LC. CMAJ Open. 2021; 9(4):E1223-31. Epub 2021 Dec 21. DOI: https://doi.org/10.9778/cmajo.20210036

• Behavioral nudges to improve audit and feedback report opening among antibiotic prescribers: a randomized controlled trial

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• The primary care and other health system use of home care patients: a retrospective cohort analysis

  Jones A, Bronskill SE, Agarwal G, Seow H, Feeny D, Costa AP. CMAJ Open. 2019; 7(2):E360-70. Epub 2019 May 23. DOI: 10.9778/cmajo.20190038.

• Comparative safety of chronic versus intermittent benzodiazepine prescribing in older adults: a population-based cohort study

  Davies SJC, Rudoler D, de Oliveira C, Huang A, Kurdyak P, Iaboni A. J Psychopharmacol. 2022; 36(4):460-9. Epub 2022 Feb 1. DOI: https://doi.org/10.1177/02698811211069096

• COVID-19 hospitalizations, intensive care unit stays, ventilation and death among patients with immune mediated inflammatory diseases compared to controls

  Eder L, Croxford R, Drucker AM, Mendel A, Kuriya B, Touma Z, Johnson SR, Cook R, Bernatsky S, Haroon N, Widdifield J. J Rheumatol. 2022; 49(5):523-30. Epub 2022 Feb 1. DOI: https://doi.org/10.3899/jrheum.211012

• Predictors of all-cause mortality among patients hospitalized with influenza, respiratory syncytial virus, or SARS-CoV-2

  Hamilton MA, Liu Y, Calzavara A, Sundaram ME, Djebli M, Darvin D, Baral S, Kustra R, Kwong JC, Mishra S. Influenza Other Respir Viruses. 2022; May 24 [Epub ahead of print]. DOI: https://doi.org/10.1111/irv.13004

• Association between long-term exposure to ambient air pollution and COVID-19 severity: a prospective cohort study

  Chen C, Wang J, Kwong J, Kim J, van Donkelaar A, Martin RV, Hystad P, Su Y, Lavigne E, Kirby-McGregor M, Kaufman JS, Benmarhnia T, Chen H. CMAJ. 2022; 194(20):E693-700. Epub 2022 May 24. DOI: https://doi.org/10.1503/cmaj.220068

• Screening large population health databases for potential coronavirus disease 2019 therapeutics: a pharmacopeia-wide association study of commonly prescribed medications

  MacFadden DR, Brown K, Buchan SA, Chung H, Kozak R, Kwong JC, Manuel D, Mubareka S, Daneman N. Open Forum Infect Dis. 2022; 9(5):ofac156. Epub 2022 Mar 29. DOI: https://doi.org/10.1093/ofid/ofac156

• Relationship of frailty with excess mortality during the COVID-19 pandemic: a population-level study in Ontario, Canada

  Wijeysundera HC, Abdel-Qadir H, Qiu F, Manoragavan R, Austin PC, Kapral MK, Kwong JC, Sun LY, Ross HJ, Udell JA, Roifman I, Yu AYX, Chu A, McAlister FA, Lee DS. Aging Clin Exp Res. 2022; Jul 1 [Epub ahead of print]. DOI: https://doi.org/10.1007/s40520-022-02173-1

• SARS-CoV-2 testing, infection and outcomes among Ontario physicians: a descriptive population-based cohort study

  Liu CW, Jeyakumar N, McArthur E, Sontrop JM, Myran DT, Schwartz KL, Sood MM, Tanuseputro P, Garg AX. CMAJ Open. 2022; 10(3):E657-65. Epub 2022 Jul 19. DOI: https://doi.org/10.9778/cmajo.20210263

• "Bring the hoses to where the fire is!": differential impacts of marginalization and socioeconomic status on COVID-19 case counts and healthcare costs

  Cheung DC, Bremner KE, Tsui TCO, Croxford R, Lapointe-Shaw L, Del Giudice L, Mendlowitz A, Perlis N, Pataky RE, Teckle P, Zeitouny S, Wong WWL, Sander B, Peacock S, Krahn MD, Kulkarni GS, Mulder C. Value Health. 2022; 25(8):1307-16. Epub 2022 May 5. DOI: https://doi.org/10.1016/j.jval.2022.03.019

• Multimorbidity and healthcare utilization among home care clients with dementia in Ontario, Canada: a retrospective analysis of a population-based cohort

  Mondor L, Maxwell CJ, Hogan DB, Bronskill SE, Gruneir A, Lane NE, Wodchis WP. PLoS Med. 2017; 14(3):e1002249.

• Glucose screening in pregnancy and future risk of cardiovascular disease in women: a retrospective, population-based cohort study

  Retnakaran R, Shah BR. Lancet Diabetes Endocrinol. 2019; 7(5):378-84. Epub 2019 Mar 27. DOI: 10.1016/S2213-8587(19)30077-4.

• Predictors of opioid-related adverse pulmonary events among older adults with chronic obstructive pulmonary disease

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• Comparing complications and costs of total hip arthroplasty and hemiarthroplasty for femoral neck fractures: a propensity score-matched, population-based study

  Ravi B, Pincus D, Khan H, Wasserstein D, Jenkinson R, Kreder HJ. J Bone Joint Surg Am. 2019; 101(7):572-79. Epub 2019 Apr 3. DOI: https://doi.org/10.2106/JBJS.18.00539

• The early burden of disability in individuals with mood and other common mental disorders in Ontario, Canada

  Frey BN, Vigod S, de Azevedo Cardoso T, Librenza-Garcia D, Favotto L, Perez R, Kapczinski F. JAMA Netw Open. 2020; 3(10):e2020213. Epub 2020 Oct 26. DOI: https://doi.org/10.1001/jamanetworkopen.2020.20213

• Evaluation of the risk of stroke without anticoagulation therapy in men and women with atrial fibrillation aged 66 to 74 years without other CHA2DS2-VASc factors

  Abdel-Qadir H, Singh SM, Pang A, Austin PC, Jackevicius CA, Tu K, Dorian P, Ko DT. JAMA Cardiol. 2021; 6(8):918-25. Epub 2021 May 19, 2021. DOI: https://doi.org/10.1001/jamacardio.2021.1232

• Colorectal cancer survival in multiple sclerosis: a matched cohort study

  Marrie RA, Maxwell C, Mahar A, Ekuma O, McClintock C, Seitz D, Groome P. Neurology. 2021; 97(14):e1447-56. Epub 2021 Sep 15. DOI: https://doi.org/10.1212/WNL.0000000000012634

• A methodology for identifying high-need, high-cost patient personas for international comparisons

  Figueroa JF, Horneffer KE, Riley K, Abiona O, Arvin M, Atsma F, Bernal-Delgado E, Blankart CR, Bowden N, Deeny S, Estupiñán-Romero F, Gauld R, Hansen TM, Haywood P, Janlov N, Knight H, Lorenzoni L, Marino A, Or Z, Pellet L, Orlander D, Penneau A, Schoenfeld AJ, Shatrov K, Skudal KE, Stafford M, Tanke M, van de Galien O, van Gool K, Wodchis WP, Tanke M, Jha AK, Papanicolas I. Health Serv Res. 2021; 56(S3):1302-16. Epub 2021 Nov 10. DOI: https://doi.org/10.1111/1475-6773.13890

• Using administrative health care databases to identify patients with end-stage kidney disease with no recorded contraindication to receiving a kidney transplant

  Wang C, Naylor KL, Luo B, Bota SE, Dixon SN, Yohanna S, Treleaven D, Elliott L, Garg AX. Can J Kidney Health Dis. 2022; 9:1-14. Epub 2022 Jul 21. DOI: https://doi.org/10.1177/20543581221111712

• Sex-specific differences in end-of-life burdensome interventions and antibiotic therapy in nursing home residents with advanced dementia

  Stall NM, Fischer HD, Fung K, Giannakeas V, Bronskill SE, Austin PC, Matlow JN, Quinn KL, Mitchell SL, Bell CM, Rochon PA. JAMA Netw Open. 2019; 2(8):e199557. Epub 2019 Aug 16. DOI: 10.1001/jamanetworkopen.2019.9557.