Publication Results (137)

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• 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

  ICES in the News

  • Incident cancer detection during the COVID-19 pandemic
  • Impact of team-based care on emergency department use

  You may also be interested in...

  • 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
  • Trends in non-receipt of recommended chronic obstructive pulmonary disease medication
  • 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

• Comparison of early and delayed fixation of subcapital hip fractures in patients sixty years of age or less

  Jain R, Koo M, Kreder H, Schemitsch E, Davey J, Mahomed N. J Bone Joint Surg Am. 2002; 84(9):1605-12.

• Wait times to rheumatology care for patients with rheumatic diseases: a data linkage study of primary care EMRs and administrative data

  Widdifield J, Bernatsky S, Thorne JC, Bombardier C, Jaakkimainen RL, Wing L, Paterson JM, Ivers N, Butt D, Lyddiatt A, Hofstetter C, Ahluwalia V, Tu K. CMAJ Open. 2016; 4(2):E205-12.

• The treatment of unrelated disorders in patients with chronic medical diseases

  Redelmeier DA, Siew H, Tan MA, Booth GL. N Engl J Med. 1998; 338(21):1516-20.

• Increased risk of mycobacterial infections associated with anti-rheumatic medications

  Brode SK, Jamieson FB, Ng R, Campitelli MA, Kwong JC, Paterson JM, Li P, Marchand-Austin A, Bombardier C, Marras TK. Thorax. 2015; 70(7): 677-82. Epub 2015 Apr 24.

• Intra-articular hip injection and early revision following total hip arthroplasty: a retrospective cohort study

  Ravi B, Escott B, Wasserstein D, Croxford R, Hollands S, Paterson JM, Kreder H, Hawker GA. Arthritis Rheumatol. 2015; 67(1):162-8. Epub 2014 Sep 23.

• Survival and development of health conditions after iron depletion therapy in C282Y-linked hemochromatosis patients

  Adams PC, Richard L, Weir M, Speechley M. Can Liver J. 2021; 4(4):381-90. Epub 2021 Sep 7. DOI: https://doi.org/10.3138/canlivj-2021-0016

• 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

• COVID-19 vaccination uptake among individuals with immune-mediated inflammatory diseases in Ontario, Canada between December 2020 and October 2021: a population-based analysis

  Widdifield J, Eder L, Chen S, Kwong JC, Hitchon C, Lacaille D, Aviña-Zubieta JA, Svenson LW, Bernatsky S. J Rheumatol. 2022; 49(5):531-6. Epub 2022 Jan 15. DOI: https://doi.org/10.3899/jrheum.211148

• Association of overlapping surgery with increased risk for complications following hip surgery: a population-based, matched cohort study

  Ravi B, Pincus D, Wasserstein D, Govindarajan A, Huang A, Austin PC, Jenkinson R, Henry PDG, Paterson JM, Kreder HJ. JAMA Intern Med. 2018; 178(1):75-83. Epub 2017 Dec 4.

• The burden of waiting for hip and knee replacements in Ontario

  Williams JI, Llewellyn TH, Arshinoff R, Young N, Naylor CD. J Eval Clin Pract. 1997; 3(1):59-68.

• Increasing comorbidity and health services utilization in older adults with prior stroke

  Gruneir A, Griffith LE, Fisher K, Panjwani D, Gandhi S, Sheng L, Patterson C, Gafni A, Ploeg J, Markle-Reid M. Neurology. 2016; 87(20):2091-8.

• Comorbidity burden and health services use in community-living older adults with diabetes mellitus: a retrospective cohort study

  Gruneir A, Markle-Reid M, Fisher K, Reimer H, Ma X, Ploeg J. Can J Diabetes. 2016; 40(1):35-42. Epub 2016 Jan 6.

• Comorbidity and its relationship with health service use and cost in community-living older adults with diabetes: a population-based study in Ontario, Canada

  Fisher K, Griffith L, Gruneir A, Panjwani D, Gandhi S, Sheng L, Gafni A, Patterson C, Markle-Reid M, Ploeg J. Diabetes Res Clin Pract. 2016; 122:113-23.

• Patterns of health service use in community-living older adults with dementia and comorbid conditions: a population-based retrospective cohort study in Ontario, Canada

  Griffith LE, Gruneir A, Fisher K, Panjwani D, Gandhi S, Sheng L, Gafni A, Patterson C, Markle-Reid M, Ploeg J. BMC Geriatr. 2016; 16(1):177.

• In the queue for total joint replacement: patients' perspectives on waiting times

  Llewellyn-Thomas HA, Arshinoff R, Bell M, Williams JI, Naylor CD. J Eval Clin Pract. 1998; 4(1):63-74.

• Effect of ambiguous hemochromatosis gene test results on physician utilization

  Speechley M, Alter D, Harrison H, Guo H, Adams PC. Med Care. 2012; 50(5):394-8.

• A systematic review and critical appraisal of validation studies to identify rheumatic diseases in health administrative databases

  Widdifield J, Labrecque J, Lix L, Paterson JM, Bernatsky S, Tu K, Ivers N, Bombardier C. Arthritis Care Res (Hoboken). 2013; 65(9):1490-503. Epub 2017 Aug 26.

• Using a linked data set to determine the factors associated with utilization and costs of family physician services in Ontario: effects of self-reported chronic conditions

  Iron KS, Manuel DG, Williams J. Chronic Dis Can. 2003; 24(4):124-32.

• Risk of fractures after stroke: results from the Ontario Stroke Registry

  Kapral MK, Fang J, Alibhai SM, Cram PM, Cheung AM, Casaubon LK, Prager M, Stamplecoski M, Rashkovan B, Austin PC. Neurology. 2017; 88(1):57-64. Epub 2016 Nov 23.

• Bayesian synthesis using prior information on fracture risk from randomized trials to analyze post-market data

  John-Baptiste A, Becker T, Fung K, Lipscombe LL, Austin PC, Anderson GM. J Clin Epidemiol. 2018; 101:79-86. Epub 2018 Jun 4.

• Patients with ankylosing spondylitis have increased cardiovascular and cerebrovascular mortality: a population-based study

  Haroon NN, Paterson JM, Li P, Inman RD, Haroon N. Ann Intern Med. 2015; 163(6):409-16. Epub 2015 Aug 11.

• Unmasking health determinants and health outcomes for urban First Nations using respondent-driven sampling

  Firestone M, Smylie J, Maracle S, Spiller M, O'Campo P. BMJ Open. 2014; 4(7):e004978. Epub 2014 Jul 9.

• Quality and continuity of information between primary care physicians and rheumatologists

  Wong J, Tu K, Bernatsky S, Jaakkimainen L, Thorne JC, Ahluwalia V, Paterson JM, Widdifield J. BMC Rheumatol. 2019; 3:1. Epub 2019 May 24. DOI: 10.1186/s41927-019-0067-6.

• January 2020

  Impact Stories

  Infographics

  • Surgical duration is associated with an increased risk of periprosthetic infection following total knee arthroplasty: a population-based retrospective cohort study
  • The risk of death within five years of first hospitalization in older adults
  • Determinants of direct discharge home from critical care units: a population-based cohort analysis
  • High-cost patients and preventable spending: a population-based study

  Video

  • Prescribing of oral anticoagulants in the emergency department and subsequent long-term use by older adults with atrial fibrillation

  ICES in the News

  • Neighbourhood-level marginalization and avoidable mortality in Ontario, Canada: a population-based study
  • Association of patient, prescriber, and region with the initiation of first prescription of biologic disease-modifying antirheumatic drug among older patients with rheumatoid arthritis and identical health insurance coverage

  You may also be interested in...

  • Characterising risk of homicide in a population-based cohort
  • Association between hospital teaching status and outcomes after out-of-hospital cardiac arrest
  • The direct healthcare costs attributable to West Nile virus illness in Ontario, Canada: a population-based cohort study using laboratory and health administrative data
  • Resident trainees increase surgical time: a comparison of obstetric and gynaecologic procedures in academic versus community hospitals
  • Comparative effectiveness of fluoroquinolone antibiotic use in uncomplicated acute exacerbations of COPD: a multi-cohort study
  • Changes in opioid prescribing behaviors among family physicians who participated in a weekly tele-mentoring program
  • A new record linkage for assessing infant mortality rates in Ontario, Canada

• February 2020

  Infographics

  • Mortality in a cohort of 3.1 million children, adolescents and young adults
  • Factors associated with emergency department presentation after total joint arthroplasty: a population-based retrospective cohort study
  • Sex differences in care need and survival in patients admitted to nursing home poststroke
  • Evaluation of opioid discontinuation after non-orthopaedic surgery among chronic opioid users: a population-based cohort study

  ICES in the News

  • First-ever ischemic stroke and incident major adverse cardiovascular events in 93 627 older women and men
  • Closed for business? Using a mixture model to explore the supply of psychiatric care for new patients
  • Utilization of advanced cardiovascular therapies in the United States and Canada: an observational study of New York and Ontario administrative data
  • Hydromorphone and the risk of infective endocarditis among people who inject drugs: a population-based, retrospective cohort study

  You may also be interested in...

  • The impact of repeated vaccination using 10-year vaccination history on protection against influenza in older adults: a test-negative design study across the 2010/11 to 2015/16 influenza seasons in Ontario, Canada
  • Impact of a publicly funded herpes zoster immunization program on the burden of disease in Ontario, Canada: a population-based study
  • Socioeconomic status and days alive and out of hospital after major elective noncardiac surgery: a population-based cohort study
  • Infant and maternal outcomes for women who experience imprisonment in Ontario Canada: a retrospective cohort study
  • Health care utilization for musculoskeletal issues during the pre-diagnosis period in psoriatic arthritis: a population-based study
  • Incidence and outcomes of invasive fungal infection among solid organ transplant recipients: a population-based cohort study
  • Impact of diabetes on colorectal cancer stage and mortality risk: a population-based cohort study

• November 2020

  Infographics

  • Life expectancy and health-adjusted life expectancy in people with inflammatory bowel disease
  • Utilisation and outcomes of allogeneic hematopoietic cell transplantation in Ontario, Canada, and New York State, USA: a population-based retrospective cohort study
  • Patient-centered time-at-home outcomes in older adults after surgical cancer treatment

  ICES in the News

  • COVID-19 in Ontario: Notable findings for the week of November 1-7, 2020
  • Prenatal hepatitis B screening, and hepatitis B burden among children, in Ontario: a descriptive study
  • Association between adherence to fractional flow reserve treatment thresholds and major adverse cardiac events in patients with coronary artery disease

  You may also be interested in...

  • Incidental detection, imaging modalities and temporal trends of differentiated thyroid cancer in Ontario: a population-based retrospective cohort
  • The associations between direct and delayed critical care unit admission with mortality and readmissions among patients with heart failure
  • Increasing wait-time mortality for severe aortic stenosis: a population-level study of the transition in practice from surgical aortic valve replacement to transcatheter aortic valve replacement
  • Declining use of red blood cell transfusions for gastrointestinal cancer surgery: a population-based analysis
  • Regional health care services and rates of lower extremity amputation related to diabetes and peripheral artery disease: an ecological study
  • Use of cardiac noninvasive testing after emergency department discharge: association of hospital network testing intensity and outcomes in Ontario, Canada
  • Comorbidities before and after the diagnosis of rheumatoid arthritis: a matched longitudinal study
  • Coexistence of clinically significant obstructive sleep apnea with physician-diagnosed asthma or chronic obstructive pulmonary disease: a population study of prevalence and mortality

• May 2021

  Infographics

  • Variable impact of COVID-19 on urgent intervention in Ontario
  • Comparison of childhood asthma incidence in 3 neighbouring cities in southwestern Ontario: a 25‑year longitudinal cohort study
  • Suicide and self-harm in adult survivors of critical illness: population based cohort study
  • Delay of pregnancy among physicians vs nonphysicians

  ICES in the News

  • Individual and social determinants of SARS-CoV-2 testing and positivity in Ontario, Canada: a population-wide study
  • Perinatal outcomes during the COVID-19 pandemic in Ontario, Canada
  • COVID-19 in Ontario: Highlights for the week of May 2–8, 2021
  • Association between bariatric surgery and major adverse diabetes outcomes in patients with diabetes and obesity

  You may also be interested in...

  • Risk factors for outbreaks of SARS-CoV-2 infection at retirement homes in Ontario, Canada: a population-level cohort study
  • The requirement for surgery and subsequent 30-day mortality in patients with COVID-19
  • Is coronavirus disease 2019 associated with indicators of long-term bladder dysfunction?
  • Sex differences in multimorbidity and polypharmacy trends: a repeated cross-sectional study of older adults in Ontario, Canada
  • Health care utilization in medically complex people living with HIV before and after admission to an HIV-specific community facility: a pre–post comparison study
  • Health care costs of rheumatoid arthritis: a longitudinal population study
  • Health care utilisation and costs associated with different treatment protocols for newly diagnosed childhood acute lymphoblastic leukaemia: a population-based study in Ontario, Canada
  • Derivation and validation of a two-variable index to predict 30-day outcomes following heart failure hospitalization

• High prevalence of comorbidities at diagnosis in immigrants with multiple sclerosis

  Rotstein D, Maxwell C, Tu K, Gatley J, Pequeno P, Kopp A, Marrie RA. Mult Scler. 2021; 27(12):1902-13. Epub 2021 Jul 30. DOI: https://doi.org/10.1177/13524585211031791

• Beyond the grey tsunami: a cross-sectional population-based study of multimorbidity in Ontario

  Ryan BL, Bray Jenkyn K, Shariff SZ, Allen B, Glazier RH, Zwarenstein M, Fortin M, Stewart M. Can J Public Health. 2018; 109(5-6):845-54. Epub 2018 Jul 18.

• Healthcare utilization and costs for musculoskeletal disorders in Ontario, Canada

  Power JD, Perruccio AV, Paterson JM, Canizares M, Veillette C, Coyte PC, Badley EM, Mahomed NN, Rampersaud YJ. J Rheumatol. 2022; Apr 1 [Epub ahead of print]. DOI: https://doi.org/10.3899/jrheum.210938

• Inpatient compared with home-based rehabilitation following primary unilateral total hip or knee replacement: a randomized controlled trial

  Mahomed NN, Davis AM, Hawker G, Badley E, Davey JR, Syed KA, Coyte PC, Gandhi R, Wright JG. J Bone Joint Surg Am. 2008; 90(8):1673-80.

• Provider volumes and early outcomes of primary total joint replacement in Ontario

  Paterson JM, Williams JI, Kreder HJ, Mahomed NN, Gunraj N, Wang X, Laupacis A. Can J Surg. 2010; 53(3):175-83.

• Quantifying the impact of obesity category on major chronic diseases in Canada

  Jiang Y, Chen Y, Manuel D, Morrison H, Mao Y; Obesity Working Group. ScientificWorldJournal. 2007; 7:1211-21.

• The frequency and risk factors for subsequent surgery after a simple elbow dislocation

  Modi CS, Wasserstein D, Mayne IP, Henry PD, Mahomed N, Veillette CJ. Injury. 2015; 46(6):1156-60. Epub 2015 Mar 5.

• Utilization and short-term outcomes of primary total hip and knee arthroplasty in the United States and Canada: an analysis of New York and Ontario administrative data

  Cram P, Landon BE, Matelski J, Ling V, Stukel TA, Paterson JM, Gandhi R, Hawker GA, Ravi B. Arthritis Rheumatol. 2018; 70(4):547-54. Epub 2017 Dec 29.

• Risk of total knee arthroplasty after operatively treated tibial plateau fracture: a matched-population-based cohort study

  Wasserstein D, Henry P, Paterson JM, Kreder HJ, Jenkinson R. J Bone Joint Surg Am. 2014; 96(2):144-50. Epub 2014 Jan 15.

• Insights on multimorbidity and associated health service use and costs from three population-based studies of older adults in Ontario with diabetes, dementia and stroke

  Griffith LE, Gruneir A, Fisher K, Panjwani D, Gafni A, Patterson C, Markle-Reid M, Ploeg J. BMC Health Serv Res. 2019; 19(1):313. Epub 2019 May 16. https://doi.org/10.1186/s12913-019-4149-3

• Factors associated with emergency department presentation after total joint arthroplasty: a population-based retrospective cohort study

  Ravi B, Leroux T, Austin PC, Paterson JM, Aktar S, Redelmeier DA. CMAJ Open. 2020; 8(1): E26-33. Epub 2020 Jan 28. DOI: https://doi.org/10.9778/cmajo.20190116

• Evaluating quality of overall care among older adults with diabetes with comorbidities in Ontario, Canada: a retrospective cohort study

  Petrosyan Y, Kuluski K, Barnsley JM, Liu B, Wodchis WP. BMJ Open. 2020; 10(2):e033291. Epub 2020 Feb 6. DOI: http://dx.doi.org/10.1136/bmjopen-2019-033291

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