Publication Results (87)

• Effectiveness of inactivated influenza vaccines in preventing influenza-associated deaths and hospitalizations among Ontario residents aged ≥65 years: estimates with generalized linear models accounting for healthy vaccine effects

  Ridenhour BJ, Campitelli MA, Kwong JC, Rosella LC, Armstrong BG, Mangtani P, Calzavara AJ, Shay DK. PLoS One. 2013; 8(10):e76318.

• Admission to hospital for pneumonia and influenza attributable to 2009 pandemic A/H1N1 influenza in First Nations communities in three provinces of Canada

  Green ME, Wong ST, Lavoie JG, Kwong J, MacWilliam L, Peterson S, Liu G, Katz A. BMC Public Health. 2013; 13:1029. Epub 2013 Oct 30.

• Risk of Guillain-Barré syndrome after seasonal influenza vaccination and influenza health-care encounters: a self-controlled study

  Kwong JC, Vasa PP, Campitelli MA, Hawken S, Wilson K, Rosella LC, Stukel TA, Crowcroft NS, McGeer AJ, Zinman L, Deeks SL. Lancet. 2013; 13(9):769-76. Epub 2013 Jun 28.

• Influenza vaccine effectiveness in preventing influenza-associated hospitalizations during pregnancy: a multi-country retrospective test negative design study, 2010-2016

  Thompson MG, Kwong JC, Regan AK, Katz MA, Drews SJ, Azziz-Baumgartner E, Klein NP, Chung H, Effler PV, Feldman BS, Simmonds K, Wyant BE, Dawood FS, Jackson ML, Fell DB, Levy A, Barda N, Svenson LW, Fink RV, Ball SW, Naleway A; PREVENT Workgroup. Clin Infect Dis. 2019; 68(9):1444-53. Epub 2018 Oct 11.

• H1N1 influenza vaccination during pregnancy and fetal and neonatal outcomes

  Fell DB, Sprague AE, Liu N, Yasseen AS, Wen SW, Smith G, Walker MC; Better Outcomes Registry & Network (BORN) Ontario. Am J Public Health. 2012; 102(6):e33-40. Epub 2012 Apr 19.

• Influenza and seasonal patterns of hospital use by older adults in long-term care and community settings in Ontario, Canada

  Gruneir A, Kwong J, Campitelli MA, Newman A, Anderson G, Rochon P, Mor V. Am J Public Health. 2014; 104(2):e141-7. Epub 2013 Dec 12.

• Vaccine effectiveness against laboratory-confirmed influenza hospitalizations among elderly adults during the 2010-2011 season

  Kwong JC, Campitelli MA, Gubbay JB, Peci A, Winter AL, Olsha R, Turner R, Rosella LC, Crowcroft NS. Clin Infect Dis. 2013; 57(6):820-7. Epub 2013 Jun 20.

• Influenza and emergency department utilization by elders

  Schull MJ, Mamdani MM, Fang J. Acad Emerg Med. 2005; 12(4):338-44.

• Simulation study of the effect of influenza and influenza vaccination on risk of acquiring Guillain-Barré Syndrome

  Hawken S, Kwong JC, Deeks SL, Crowcroft NS, McGeer AJ, Ducharme R, Campitelli MA, Coyle D, Wilson K. Emerg Infect Dis. 2015; 21(2):224-31. Epub 2015 Jan 14.

• The effect of universal influenza immunization on mortality and health care use

  Kwong JC, Stukel TA, Lim J, McGeer AJ, Upshur RE, Johansen H, Sambell C, Thompson WW, Thiruchelvam D, Marra F, Stevenson LW, Manuel DG. PLoS Med. 2008; 5(10):e211.

• Seasonal influenza vaccine allocation in the Canadian population during a pandemic

  Tuite A, Fisman DN, Kwong JC, Greer A. PLos Curr. 2009; 1:RRN1143.

• Optimal pandemic influenza vaccine allocation strategies for the Canadian population

  Tuite AR, Fisman DN, Kwong JC, Greer AL. PLoS One. 2010; 5(5):e10520.

• Low rates of influenza immunization in young children under Ontario’s Universal Influenza Immunization Program

  Campitelli MA, Inoue M, Calzavara AJ, Kwong JC, Guttmann A. Pediatrics. 2012; 129(6):e1421-30. Epub 2012 May 14.

• Safety and utilization of influenza immunization in children with inflammatory bowel disease

  Benchimol EI, Hawken S, Kwong JC, Wilson K. Pediatrics. 2013; 131(6):e1811-20. Epub 2013 May 6.

• Trends in influenza vaccination in Canada, 1996/1997 to 2005

  Kwong JC, Rosella LC, Johansen H. Health Rep. 2007; 18(4):9-19.

• Influenza vaccine effectiveness against all-cause mortality following laboratory-confirmed influenza in older adults, 2010-2011 to 2015-2016 seasons in Ontario, Canada

  Chung H, Buchan SA, Campigotto A, Campitelli MA, Crowcroft NS, Dubey V, Gubbay JB, Karnauchow T, Katz K, McGeer AJ, McNally D, Mubareka S, Murti M, Richardson DC, Rosella LC, Schwartz KL, Smieja M, Zahariadis G, Kwong KC. Clin Infect Dis. 2020; Dec 23 [Epub ahead of print]. DOI: https://doi.org/10.1093/cid/ciaa1862

• The effect of universal influenza immunization on antibiotic prescriptions: an ecological study

  Kwong JC, Maaten S, Upshur RE, Patrick DM, Marra F. Clin Infect Dis. 2009; 49(5):750-6.

• Community influenza outbreaks and emergency department ambulance diversion

  Schull ML, Mamdani MM, Fang J. Ann Emerg Med. 2004; 44(1):61-7.

• Influenza vaccine effectiveness in preventing hospitalizations in older patients with chronic obstructive pulmonary disease

  Gershon AS, Chung H, Porter J, Campitelli MA, Buchan SA, Schwartz KL, Crowcroft NS, Campigotto A, Gubbay JB, Karnauchow T, Katz K, McGeer AJ, McNally JD, Richardson DC, Richardson SE, Rosella LC, Simor AE, Smieja M, Zahariadis G, Kwong JC. J Infect Dis. 2020; 221(1):42-52. Epub 2019 Sep 24. DOI: https://doi.org/10.1093/infdis/jiz419

• Estimating influenza vaccine effectiveness in community-dwelling elderly patients using the instrumental variable analysis method

  Wong K, Campitelli MA, Stukel TA, Kwong JC. Arch Intern Med. 2012; 172(6):484-91. Epub 2012 Feb 27.

• The relationship between 2009 pandemic H1N1 influenza during pregnancy and preterm birth: a population-based cohort study

  Fell DB, Platt RW, Basso O, Wilson K, Kaufman JS, Buckeridge DL, Kwong JC. Epidemiology. 2018; 29(1):107-16. Epub 2017 Sep 19.

• Physical activity and influenza-coded outpatient visits, a population-based cohort study

  Siu E, Campitelli MA, Kwong JC. PLoS One. 2012; 7(6):e39518. Epub 2012 Jun 21.

• Seasonal influenza vaccine effectiveness in pre- and full-term children aged 6–23 months over multiple seasons

  Shen S, Campitelli MA, Calzavara A, Guttmann A, Kwong JC. Vaccine. 2013; 31(29):2974-8. Epub 2013 May 18.

• Canada's response to pandemic H1N1 influenza: the collection of individual-level data at the point of vaccination

  Kwong JC, Foisy J, Quan S, Heidebrecht C, Kolbe F, Bettinger JA, Buckeridge DL, Chambers LW, Crowcroft NS, Dhalla IA, Sikora CA, Willison DJ, Pereira JA; Pubic Health Agency of Canada/Canadian Institutes of Health Research Influenza Research Network (PCIRN). Healthc Q. 2010;13(2):18-20.

• Estimating vaccine effectiveness against hospitalized influenza during pregnancy: multicountry protocol for a retrospective cohort study

  Naleway AL, Ball S, Kwong JC, Wyant BE, Katz MA, Regan AK, Russell ML, Klein NP, Chung H, Simmonds KA, Azziz-Baumgartner E, Feldman BS, Levy A, Fell DB, Drews SJ, Garg S, Effler P, Barda N, Irving SA, Irving SA, Shifflett P, Jackson ML, Thompson MG. JMIR Res Protoc. 2019; 8(1):e11333. Epub 2018 Dec 1. DOI: 10.2196/11333.

• Measuring the impact of influenza on the hospital admission rates of the elderly in Ontario: a five-year admission rate analysis, 1988-1993

  Upshur RE, Goel V. Can J Publ Health. 2000; 91(2):144-7.

• Randomized evaluation of live attenuated vs. inactivated influenza vaccines in schools (RELATIVES) cluster randomized trial: pilot results from a household surveillance study to assess direct and indirect protection from influenza vaccination

  Kwong JC, Pereira JA, Quach S, Pellizzari R, Dusome E, Russell ML, Hamid JS, Feinberg Y, Winter A, Gubbay JB, Sirtonski B, Moher D, Sider D, Finkelstein M, Loeb M; Public Health Agency of Canada/Canadian Institutes of Health Research Influenza Research Network (PCIRN) Program Delivery and Evaluation Group. Vaccine. 2015; 33(38):4910-5. Epub 2015 Jul 29.

• The effect of universal influenza immunization on vaccination rates in Ontario

  Kwong JC, Sambell C, Johansen H, Stukel TA, Manuel DG. Health Rep. 2006; 17(2):31-40.

• Obesity and respiratory hospitalizations during influenza seasons in Ontario, Canada: a cohort study

  Kwong JC, Campitelli MA, Rosella LC. Clin Infect Dis. 2011; 53(5):413-21. Epub 2011 Sep 1.

• Estimating age-specific influenza-associated asthma morbidity in Ontario, Canada

  Feldman LY, Zhu J, To T. Respir Med. 2019; 155:104-12. Epub 2019 Jul 17. DOI: http://doi.org/10.1016/j.rmed.2019.07.017

• Influenza vaccination and all-cause mortality in community-dwelling elderly in Ontario, Canada: a cohort study

  Campitelli MA, Rosella LC, Stukel TA, Kwong JC. Vaccine. 2010; 29(2):240-6. Epub 2010 Oct 31.

• School-based influenza vaccine delivery, vaccination rates, and healthcare use in the context of a universal influenza immunization program: an ecological study

  Kwong JC, Ge H, Rosella LC, Guan J, Maaten S, Moran K, Johansen H, Guttmann A. Vaccine. 2010; 28(15):2722-9. Epub 2010 Jan 26.

• Vaccine effectiveness against laboratory-confirmed influenza hospitalizations among young children during the 2010-11 to 2013-14 influenza seasons in Ontario, Canada

  Buchan SA, Chung H, Campitelli MA, Crowcroft NS, Gubbay JB, Karnauchow T, Katz K, McGeer AJ, McNally JD, Richardson D, Richardson SE, Rosella LC, Simor A, Smieja M, Tran D, Zahariadis G, Kwong JC. PLoS One. 2017; 12(11):e0187834. Epub 2017 Nov 17.

• Characteristics and outcomes of young children hospitalized with laboratory-confirmed influenza or respiratory syncytial virus in Ontario, Canada, 2009-2014

  Buchan SA, Chung H, Karnauchow T, McNally JD, Campitelli MA, Gubbay JB, Katz K, McGeer AJ, Richardson DC, Richardson SE, Simor A, Smieja M, Zahariadis G, Tran D, Crowcroft NS, Rosella LC, Kwong JC. Pediatr Infect Dis J. 2019; 38(4):362-9. Epub 2018 Aug 27.

• Acute myocardial infarction after laboratory-confirmed influenza infection

  Kwong JC, Schwartz KL, Campitelli MA, Chung H, Crowcroft NS, Karnauchow T, Katz K, Ko DT, McGeer AJ, McNally D, Richardson DC, Rosella LC, Simor A, Smieja M, Zahariadis G, Gubbay JB. N Engl J Med. 2018; 378(4):345-53.

• Safety of influenza vaccination in patients with myasthenia gravis: a population-based study

  Zinman L, Thoma J, Kwong JC, Kopp A, Stukel TA, Juurlink DN. Muscle Nerve. 2009; 40(6):947-51.

• Guillain-Barré syndrome after influenza vaccination in adults: a population-based study

  Juurlink DN, Stukel TA, Kwong J, Kopp A, McGeer A, Upshur RE, Manuel DG, Moineddin R, Wilson K. Arch Intern Med. 2006; 166(20):2217-21.

• Time-series analysis of the relation between influenza virus and hospital admissions of the elderly in Ontario, Canada, for pneumonia, chronic lung disease, and congestive heart failure

  Upshur RE, Knight K, Goel V. Am J Epidemiol. 1999; 149(1):85-92.

• Randomized evaluation of Live ATtenuated vs. Inactivated influenza VaccinEs in Schools (RELATIVES) pilot study: a cluster randomized trial

  Kwong JC, Pereira JA, Quach S, Pellizzari R, Dusome E, Russell ML, Hamid JS, Feinberg Y, Winter AL, Gubbay JB, Sirtonski B, Moher D, Sider D, Finkelstein M, Loeb M; Public Health Agency of Canada/Canadian Institutes of Health Research Influenza Research Network (PCIRN) Program Delivery and Evaluation Group. Vaccine. 2015; 33(4):535-41. Epub 2014 Dec 6.

• What to do to beat the flu? Improving influenza vaccination rates among healthcare workers

  Manuel D. Healthc Q. 2002; 6(1):25-6.

• Health behavior associated with influenza vaccination among healthcare workers in long-term-care facilities

  Manuel DG, Henry B, Hockin J, Naus M. Infect Control Hosp Epidemiol. 2002; 23(10):609-14.

• Characteristics of patients vaccinated against influenza in physician offices versus pharmacies and predictors of vaccination location: a cross-sectional study

  Waite NM, Cadarette SM, Campitelli MA, Consiglio GP, Houle SKD, Kwong JC. CMAJ Open. 2019; 21; 7(2):E421-29. Epub 2019 Jun 21. DOI: 10.9778/cmajo.20180189.

• Using OHIP physician billing claims to ascertain individual influenza vaccination status

  Kwong JC, Manuel DG. Vaccine. 2007; 25(7):1270-4. Epub 2006 Oct 19.

• Infant respiratory outcomes associated with prenatal exposure to maternal 2009 A/H1N1 influenza vaccination

  Fell DB, Wilson K, Ducharme R, Hawken S, Sprague AE, Kwong JC, Smith G, Wen SW, Walker MC. PLoS One. 2016; 11(8):e0160342.

• Influenza vaccine effectiveness among patients with cancer: a population-based study using health administrative and laboratory testing data from Ontario, Canada

  Blanchette PS, Chung H, Pritchard KI, Earle CC, Campitelli MA, Buchan SA, Schwartz KL, Crowcroft NS, Gubbay JB, Karnauchow T, Katz K, McGeer AJ, McNally JD, Richardson DC, Richardson SE, Rosella LC, Simor A, Smieja M, Zahariadis G, Campigotto A, Kwong JC. J Clin Oncol. 2019; 37(30):2795-804. Epub 2019 Aug 29. DOI: 10.1200/JCO.19.00354.

• 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

  Kwong JC, Chung H, Jung JKH, Buchan SA, Campigotto A, Campitelli MA, Crowcroft NS, Gubbay JB, Karnauchow T, Katz K, McGeer AJ, McNally JD, Richardson DC, Richardson SE, Rosella LC, Schwartz KL, Simor A, Smieja M, Zahariadis G; Canadian Immunization Research Network (CIRN). Euro Surveill. 2020; 25(1):1900245. Epub 2020 Jan 9. DOI: https://doi.org/10.2807/1560-7917.ES.2020.25.1.1900245

• Influenza vaccination rates in Ontario children: implications for universal childhood vaccination policy

  Moran K, Maaten S, Guttmann A, Northrup D, Kwong JC. Vaccine. 2009; 27(17):2350-5. Epub 2009 Feb 13.

• Health outcomes of young children born to mothers who received 2009 pandemic H1N1 influenza vaccination during pregnancy: retrospective cohort study

  Walsh LK, Donelle J, Dodds L, Hawken S, Wilson K, Benchimol EI, Chakraborty P, Guttmann A, Kwong JC, MacDonald NE, Ortiz JR, Sprague AE, Top KA, Walker MC, Wen SW, Fell DB. BMJ. 2019; 366:l4151. Epub 2019 Jul 10. DOI: 10.1136/bmj.l4151.

• Using Ontario Health Insurance Plan physician billing claims to ascertain individual influenza immunization status: an updated validation study

  Schwartz KL, Jembere N, Campitelli MA, Buchan SA, Chung H, Kwong JC. CMAJ Open. 2016; 4(3):E463-70.

• Narcolepsy and adjuvanted pandemic influenza A (H1N1) 2009 vaccines – multi-country assessment

  Weibel D, Sturkenboom M, Black S, de Ridder M, Dodd C, Bonhoeffer J, Vanrolleghem A, van der Maas N, Lammers GJ, Overeem S, Gentile A, Giglio N, Castellano V, Kwong JC, Murray BJ, Cauch-Dudek K, Juhasz D, Campitelli M, Datta AN, Kallweit U, Huang WT, Huang YS, Hsu CY, Chen HC, Giner-Soriano M, Morros R, Gaig C, Tió E, Perez-Vilar S, Diez-Domingo J, Puertas FJ, Svenson LW, Mahmud SM, Carleton B, Naus M, Arnheim-Dahlström L, Pedersen L, DeStefano F, Shimabukuro TT. Vaccine. 2018; 36(41):6202-11. Epub 2018 Aug 16.

• Epidemiology and clinical outcomes of hospitalizations for acute respiratory or febrile illness and laboratory-confirmed influenza among pregnant women during six influenza seasons, 2010-2016

  Dawood FS, Garg S, Fink RV, Russell ML, Regan AK, Katz MA, Booth S, Chung H, Klein NP, Kwong JC, Levy A, Naleway A, Riesel D, Thompson MG, Wyant BE, Fell DB; PREVENT workgroup. J Infect Dis. 2020; 221(10):1703-12. Epub 2019 Dec 26. DOI: https://doi.org/10.1093/infdis/jiz670

• Surge capacity associated with restrictions on nonurgent hospital utilization and expected admissions during an influenza pandemic: lessons from the Toronto severe acute respiratory syndrome outbreak

  Schull MJ, Stukel TA, Vermeulen MJ, Guttmann A, Zwarenstein M. Acad Emerg Med. 2006; 13(11):1228-31. Epub 2006 Jun 28.

• An international cohort study of birth outcomes associated with hospitalized acute respiratory infection during pregnancy

  Regan AK, Feldman BS, Azziz-Baumgartner E, Naleway AL, Williams J, Wyant BE, Simmonds K, Effler PV, Booth S, Ball SW, Katz MA, Fink RV, Thompson MG, Chung H, Kwong JC, Fell DB. J Infect. 2020; 81(1):48-56. Epub 2020 Apr 20. DOI: https://doi.org/10.1016/j.jinf.2020.03.057

• Validating International Classification of Disease 10th Revision algorithms for identifying influenza and respiratory syncytial virus hospitalizations

  Hamilton MA, Calzavara A, Emerson SD, Djebli M, Sundaram ME, Chan AK, Kustra R, Baral SD, Mishra S, Kwong JC. PLoS One. 2021; 16(1):e0244746. Epub 2021 Jan 7. DOI: https://doi.org/10.1371/journal.pone.0244746

• The association between obesity and outpatient visits for acute respiratory infections in Ontario, Canada

  Campitelli MA, Rosella LC, Kwong JC. Int J Obes (Lond). 2013; 38(1):113-9. Epub 2013 Apr 22.

• January 2007

  • Study demonstrates need for comprehensive influenza immunization registry in Ontario
  • ICU patients have increased risk of discontinuing medications for chronic conditions
  • Study examines differences in statin prescriptions between Ontario and BC
  • EDs that treat more heart attack patients are less likely to miss the diagnosis
  • Nurse-performed screening program for colorectal cancer can be safe and effective

• June 2012

  • New decision-support tool helps ED physicians predict risk of death in heart failure patients
  • Influenza vaccine coverage very low for Ontario children under age two
  • Antidepressant exposure linked to form of glaucoma in older adults
  • Better safe than sorry not always true when it comes to diagnoses
  • Richest and poorest people in Toronto hospitalized for different reasons

• May 2006

  • SSRI antidepressants associated with increased risk of suicide in first month of therapy
  • Women with diabetes may have increased risk of breast cancer
  • Ontario's universal influenza program having a positive impact on vaccination rates
  • ICES report shows Ontario's health information is in need of urgent upgrades
  • Prescribing of Alzheimer's drugs varies among Canadian family physicians despite guidelines

• December 2009

  • Influenza vaccine safe for patients with myasthenia gravis
  • Less than half of Ontarians with depression see a doctor for treatment: POWER Study
  • Study identifies hospital markers linked to improved survival rates for heart attack patients
  • Youth with diabetes likely to be hospitalized while transitioning to adult care
  • One in four Ontario hospitals change cardiac care policies after public report cards released

• April 2009

  • Ontario achieves modest gains with universal influenza immunization program
  • Anesthesia consultation before surgery reduces hospital stay
  • Diabetic patients with heart disease receive more benefit from paclitaxel-eluting stents
  • Statin therapy associated with reduced mortality at five years in heart failure patients
  • Wealthier heart attack survivors more likely to make needed lifestyle changes

• October 2004

  • Study offers insights into seasonal patterns for influenza and pneumonia hospitalizations
  • Certain common medications can cause lithium toxicity in the elderly
  • Ontario wait times for arthritis-related joint surgeries increase by up to 9 weeks
  • Beta-blocker therapy safe for certain heart failure patients
  • Study maps mammography use in large urban cities

• May 2013

  • Influenza vaccine safe for children with inflammatory bowel disease
  • Obesity linked to increased risk of outpatient visits for respiratory infections
  • Study forecasts almost 1 in 8 Ontarians with asthma in 2022
  • Women with developmental disabilities less likely to be screened for breast, cervical cancer
  • Young female cancer survivors experience a small reduction in likelihood of childbirth

• June 2013

  • Rates of diabetes among Chinese Canadians increased 15-fold in 10 years
  • Two common COPD drugs have similar increased risk of cardiovascular events
  • Implementation of integrated stroke care system leads to improved outcomes and care
  • Formalizing existing provider networks may lead to improved Ontario health care system
  • Study finds seasonal influenza vaccination effective in young children

• Can routinely collected laboratory and health administrative data be used to assess influenza vaccine effectiveness? Assessing the validity of the Flu and Other Respiratory Viruses Research (FOREVER) Cohort

  Kwong JC, Buchan SA, Chung H, Campitelli MA, Schwartz KL, Crowcroft NS, Jackson ML, Karnauchow T, Katz K, McGeer AJ, McNally DJ, Richardson DC, Richardson SE, Rosella LC, Simor A, Smieja M, Zahariadis G, Campigotto A, Gubbay JB. Vaccine. 2019; 37(31):4392-400. Epub 2019 Jun 17. DOI: 10.1016/j.vaccine.2019.06.011.

• Why collect individual-level vaccination data?

  Writing team for the Public Health Agency of Canada/Canadian Institutes of Health Research Influenza Research Network Vaccine Coverage Theme Group. CMAJ. 2010; 182(3):273-5. Epub 2010 Jan 4.

• Ontario Burden of Infectious Disease Study

  Kwong JC, Crowcroft NS, Campitelli MA, Ratnasingham S, Daneman N, Deeks SL, Manuel DG. December 2010

• October 2018

  Infographics

  • Comparison of prescribing practices for older adults treated by female versus male physicians: a retrospective cohort study
  • Reducing repeat imaging in hepato-pancreatico-biliary surgical cancer care through shared diagnostic imaging repositories
  • Frequency and impact of prescription nonsteroidal anti-inflammatory drug use among patients with hypertension, heart failure, or chronic kidney disease
  • Access to health care and medical health services use for Canadian military families posted to Ontario: a retrospective cohort study

  ICES Research Video

  • Variation in the health outcomes associated with frailty among home care clients: relevance of caregiver distress and client sex

  ICES in the News

  • Use of the emergency department as a first point of contact for mental health care by immigrant youth in Canada: a population-based study
  • Influenza vaccine effectiveness in preventing influenza-associated hospitalizations during pregnancy: a multi-country retrospective test negative design study, 2010-2016
  • Physician characteristics associated with ordering 4 low-value screening tests in primary care
  • Emergency department volume and outcomes for patients after chest pain assessment

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  • Propensity-score matching with competing risks in survival analysis
  • Increased risk of traffic injury after a cerebrovascular event
  • Estimating the incidence of first-episode psychosis using population-based health administrative data to inform early psychosis intervention services
  • Association of cataract surgical outcomes with late surgeon career stages: a population-based cohort study

• 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

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  • 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

• Urban emergency department overcrowding: defining the problem and eliminating misconceptions

  Schull MJ, Slaughter PM, Redelmeier DA. CJEM. 2002; 4(2):76-83.

• ICES report: five policy recommendations from Toronto's SARS outbreak to improve the safety and efficacy of restrictions on hospital admissions to manage infectious disease outbreaks

  Schull MJ, Stukel TA, Zwarenstein M, Guttmann A, Alter DA, Manuel DG. Healthc Q. 2009; 12(1):30-2.

• Implementation of electronic medical records: effect on the provision of preventive services in a pay-for-performance environment

  Greiver M, Barnsley J, Glazier RH, Moineddin R, Harvey BJ. Can Fam Physician. 2011; 57(10):e381-9. Epub 2011 Oct 1.

• January 2018

  Call for abstracts: IPDLN 2018 Conference

  Infographics

  • Diabetes risk in childhood cancer survivors: a population-based study
  • Association between handover of anesthesia care and adverse postoperative outcomes among patients undergoing major surgery

  ICES in the News

  • Acute myocardial infarction after laboratory-confirmed influenza infection
  • Effect of air quality alerts on human health: a regression discontinuity analysis in Toronto, Canada

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  • Temporal trends in mental health service utilization across outpatient and acute care sectors: a population-based study from 2006 to 2014
  • The economic burden of cancer care in Canada: a population-based cost study
  • Elevated incidence of atrial fibrillation and stroke in patients with atrial flutter – a population-based study
  • The relation between food insecurity and mental health care service utilization in Ontario
  • Intergenerational abortion tendency between mothers and teenage daughters: population based cohort study
  • The impact of diabetes on breast cancer treatments and outcomes: a population-based study
  • Predictors of specialized pediatric palliative care involvement and impact on patterns of end-of-life care in children with cancer

• August 2018

  Report

  • Geographic Variation in Primary Care Need, Service Use and Providers in Ontario, 2015/16

  Infographics 

  • Food insecurity status and mortality among adults in Ontario, Canada
  • Association between statin use and cardiovascular events after carotid artery revascularization
  • Rapid repeat pregnancy among women with intellectual and developmental disabilities: a population-based cohort study

  ICES in the News

  • Contributions of prescribed and non-prescribed opioids to opioid related deaths: a population based cohort study in Ontario, Canada
  • Pregabalin and the risk for opioid-related death: a nested case-control study

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  • Characteristics of nurse practitioner practice in family health teams in Ontario, Canada
  • Medical costs of delayed hip fracture surgery
  • Patterns of mortality among adults with intellectual and developmental disabilities in Ontario 
  • Narcolepsy and adjuvanted pandemic influenza A (H1N1) 2009 vaccines – multi-country assessment
  • Unmet need for mental health services among people screened but not admitted to an early psychosis intervention program
  • A matched case-control study to assess the association between non-steroidal anti-inflammatory drug use and thrombotic microangiopathy

• 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

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  • 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
  • Prescription synthetic oral cannabinoid use among older adults with chronic obstructive pulmonary disease: a population-based cohort study
  • 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

• Seasonality of primary care utilization for respiratory diseases in Ontario: a time-series analysis

  Moineddin R, Nie JX, Domb G, Leong AM, Upshur RE. BMC Health Serv Res. 2008; 8:160.

• Volume matters: physician practice characteristics and immunization coverage among young children insured through a universal health plan

  Guttmann A, Manuel D, Dick PT, To T, Lam K, Stukel TA. Pediatrics. 2006; 117(3):595-602.

• Measuring data reliability for preventive services in electronic medical records

  Greiver M, Barnsley J, Glazier RH, Harvey BJ, Moineddin R. BMC Health Serv Res. 2012; 12:116. Epub 2012 May 14.

• Croup hospitalizations in Ontario: a 14-year time-series analysis

  Segal AO, Crighton EJ, Moineddin R, Mamdani M, Upshur RE. Pediatrics. 2005; 116(1):51-5.

• Seasonal variation in rates of emergency room visits and acute admissions following recommended infant vaccinations in Ontario, Canada: a self-controlled case series analysis

  Hawken S, Potter BK, Benchimol EI, Little J, Ducharme R, Wilson K. Vaccine. 2014; 32(52):7148-53. Epub 2014 Nov 1.

• August 2019

  Infographics

  • High-performing physicians are more likely to participate in a research study: findings from a quality improvement study
  • Prevalence of inappropriateness of parenteral vitamin B12 administration in Ontario Canada
  • 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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