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Publication Results (439)

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  • Use of vascular risk-modifying medications for diabetic patients differs between physician specialties

    Shah BR, Hux JE, Laupacis A, Zinman B, Booth GL. Diabet Med. 2006; 23(10):1117-23.

  • Prevalence and incidence of hypertension from 1995 to 2005: a population-based study

    Tu K, Chen Z, Lipscombe LL; Canadian Hypertension Education Program Outcomes Research Taskforce. CMAJ. 2008; 178(11):1429-35.

  • Morbidity and mortality of women and men with intellectual and developmental disabilities newly initiating antipsychotic drugs

    Vigod SN, Lunsky Y, Cobigo V, Wilton AS, Somerton S, Seitz DP. BJPsych Open. 2016; 2(2):188-94.

  • Mild glucose intolerance in pregnancy and risk of cardiovascular disease: a population-based cohort study

    Retnakaran R, Shah BR. CMAJ. 2009; 181(6-7):371-6. Epub 2009 Aug 24.

  • Association of anti-smoking legislation with rates of hospital admission for cardiovascular and respiratory conditions

    Naiman A, Glazier RH, Moineddin R. CMAJ. 2010; 182(8):761-7. Epub 2010 Apr 12.

  • July 2017

    • Wide regional variation in Ontarians' access to family doctors
    • People living in rural households have lower risk of developing inflammatory bowel disease
    • Differences in growth of Canadian children compared to the WHO 2006 Child Growth Standards
    • Older and cheaper test for heart disease just as effective as newer tests
    ICES Research Video Series
    • Eva Grunfeld on primary care use during adjuvant chemotherapy for breast cancer
    ICES in the News
    • Electrocardiograms in low-risk patients undergoing an annual health examination
    • Long-term morbidity and mortality in patients without early complications after stroke or transient ischemic attack
    • Patterns of physician prescribing for opioid maintenance treatment in Ontario, Canada in 2014
    • The effect of changes in cervical cancer screening guidelines on chlamydia testing
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    • Outcomes associated with a pediatric clinical diabetes network in Ontario: a population-based time-trend analysis
    • TA population-based study of homicide deaths in Ontario, Canada using linked death records
    • Severe maternal morbidity associated with maternal birthplace: a population-based register study
    • Association of proteinuria and incident atrial fibrillation in patients with intact and reduced kidney function
    • A retrospective assessment of prognostication in 456,685 patients undergoing elective major non-cardiac surgery
    • Emergency department flow measures for adult and pediatric patients in British Columbia and Ontario: a retrospective, repeated cross-sectional study
    • Estimating multimorbidity prevalence with the Canadian Chronic Disease Surveillance System
  • Cardiovascular disease after Escherichia coli O157:H7 gastroenteritis

    Hizo-Abes P, Clark WF, Sontrop JM, Young A, Huang A, Thiessen-Philbrook H, Austin PC, Garg AX; Walkerton Health Study Investigators. CMAJ. 2013; 185(1):E70-7. Epub 2012 Nov 19.

  • Long-term cardiovascular risk in women prescribed fertility therapy

    Udell JA, Lu H, Redelmeier DA. J Am Coll Cardiol. 2013; 62(18):1704-12. Epub 2013 Jul 31.

  • 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.

  • The fall and rise of carotid endarterectomy in the United States and Canada

    Tu JV, Hannan EL, Anderson GM, Iron K, Wu K, Vranizan K, Popp AJ, Grumbach K. N Engl J Med. 1998; 339(20):1441-7.

  • Failure of fertility therapy and subsequent adverse cardiovascular events

    Udell JA, Lu H, Redelmeier DA. CMAJ. 2017; 189(10):E391-7.

  • Low medical morbidity and mortality after acute courses of electroconvulsive therapy in a population-based sample

    Blumberger DM, Seitz DP, Herrmann N, Kirkham JG, Ng R, Reimer C, Kurdyak P, Gruneir A, Rapoport MJ, Daskalakis ZJ, Mulsant BH, Vigod SN. Acta Psychiatr Scand. 2017; 136(6):583-93. Epub 2017 Sep 18.

  • November 2017

    Call for abstracts: IPDLN 2018 Conference
    • Two-thirds of children with concussions not receiving medical follow-ups
    • People with developmental disabilities and mental illness have twice the risk of hospital readmissions
    • Inhaled corticosteroids do not increase risk of fracture in children with asthma
    • People with mental illness or addictions have higher health care needs and costs
    ICES in the News
    • Hip fracture surgery after more than 24 hours associated with increased risk of death and other complications
    • Direct medical costs of motorcycle crashes in Ontario
    • Flu vaccine prevents hospitalization in children
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    • Big data and population health: focusing on the health impacts of the social, physical, and economic environment
    • Indigenous health data and the path to healing
    • Derivation and external validation of prediction models for advanced chronic kidney disease following acute kidney injury
    • Ethnic differences in mental health and race-based data collection
    • Predicting psychiatric readmission: sex-specific models to predict 30-day readmission following acute psychiatric hospitalization
    • The medical care of male and female youth who die by suicide: a population-based case control study
    • Mortality in infants affected by preterm birth and severe small-for-gestational age birth weight
    • Increased coronary heart disease and stroke hospitalisations from ambient temperatures in Ontario
    • Changes in the dispensing of opioid medications in Canada following the introduction of a tamper-deterrent formulation of long-acting oxycodone
    • Variations in use of optimal medical therapy in patients with nonobstructive coronary artery disease

  • Primary prevention drug therapy: can it meet patients' requirements for reduced risk?

    Llewellyn-Thomas HA, Paterson JM, Carter JA, Basinski A, Myers MG, Hardacre GD, Dunn EV, D'Agostino RB, Wolf PA, Naylor CD. Med Decis Making. 2002; 22(4):326-39.

  • Gender differences in outcomes after hospital discharge from coronary artery bypass grafting

    Guru V, Fremes SE, Austin PC, Blackstone EH, Tu JV. Circulation. 2006; 113(4):507-16.

  • Missed diagnosis of subarachnoid hemorrhage in the emergency department

    Vermeulen MJ, Schull MJ. Stroke. 2007; 38(4):1216-21. Epub 2007 Feb 22.

  • Rescue angioplasty or repeat fibrinolysis after failed fibrinolytic therapy for ST-segment myocardial infarction: a meta-analysis of randomized trials

    Wijeysundera HC, Vijayaraghavan R, Nallamothu BK, Foody JM, Krumholz HM, Phillips CO, Kashani A, You JJ, Tu JV, Ko DT. J Am Coll Cardiol. 2007; 49(4):422-30. Epub 2007 Jan 12.

  • The association of kidney function and albuminuria with the risk and outcomes of syncope: a population-based cohort study

    Massicotte-Azarniouch D, Kuwornu JP, McCallum MK, Bansal N, Lam N, Molnar AO, Pun P, Zimmerman D, Garg AX, Sood MM. Can J Cardiol. 2018; 34(12):1631-40. Epub 2018 Aug 18.

  • Accumulation of chronic conditions at the time of death increased in Ontario from 1994 to 2013

    Rosella L, Kornas K, Huang A, Bornbaum C, Henry D, Wodchis WP. Health Aff (Millwood). 2018; 37(3):464-72. Epub 2018 Mar 5.

  • The longitudinal relationship between hand, hip and knee osteoarthritis and cardiovascular events: a population-based cohort study

    Kendzerska T, Juni P, King LK, Croxford R, Stanaitis I, Hawker GA. Osteoarthritis Cartilage. 2017; 25(11):1771-80. Epub 2017 Aug 8.

  • Gabapentin dose and the 30-day risk of altered mental status in older adults: a retrospective population-based study

    Fleet JL, Dixon SN, Kuwornu PJ, Dev VK, Montero-Odasso M, Burneo J, Garg AX. PLoS One. 2018; 13(3):e0193134. Epub 2018 Mar 14.

  • September 2019

    • 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
    • Physician availability in long-term care and resident hospital transfer: a retrospective cohort study
    ICES in the News
    • Population-based secular trends in lower extremity amputation for diabetes and peripheral artery disease
    • Opioid prescribing after surgery in the United States, Canada and Sweden
    • Sex differences in long‐term survival after major cardiac surgery: a population‐based cohort study
    • Trends in the use of cardiac imaging for patients with heart failure in Canada
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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
    • Trends in use of medical imaging in US health care systems and in Ontario, Canada, 2000-2016
    • 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
  • Cardiovascular consequences of obstructive sleep apnea in women: a historical cohort study

    Kendzerska T, Leung R, Atzema C, Chandy G, Meteb M, Malhotra A, Hawker G, Gershon AS. Sleep Med. 2020; 68:71-9. Epub 2019 Sep 11. DOI: 10.1016/j.sleep.2019.08.021.

  • April 2020

    • Geographic access to stroke care services in rural communities in Ontario, Canada
    • Association of immigrant and refugee status with risk factors for exposure to violent assault among youths and young adults in Canada
    • Physician-based availability of psychotherapy in Ontario: a population-based retrospective cohort study
      ICES in the News
      • Association between road traffic noise and incidence of diabetes mellitus and hypertension in Toronto, Canada: a population‐based cohort study
      • Increased risk of dementia among overactive bladder patients treated with an anticholinergic medication compared to a beta-3 agonist: a population-based cohort study
      • Canada and COVID-19: learning from SARS
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      • Increasing complexity of new nursing home residents in Ontario, Canada: a serial cross-sectional study
      • Intra-provincial variation in publicly funded mental health and addictions “services” use among Canadian Armed Forces families posted across Ontario
      • Benefits of high-volume medical oncology care for noncurable pancreatic adenocarcinoma: a population-based analysis
      • Assessing the impact of early identification of patients appropriate for palliative care on resource use and costs in the final month of life
      • Characterizing risk of type 2 diabetes in First Nations people living in First Nations communities in Ontario: a population-based analysis using cross-sectional survey data
      • Health system costs for cancer medications and radiation treatment in Ontario for the 4 most common cancers: a retrospective cohort study
      • Does physician compensation for declaration of involuntary status increase the likelihood of involuntary admission? A population-level cross-sectional linked administrative database study
      • Association of primary care involvement with death or hospitalizations for patients starting dialysis
    • February 2021

      • Alive and at home: five-year outcomes in older adults following emergency general surgery
      • Stroke incidence by sex across the lifespan
      • Sepsis-associated mortality, resource use, and healthcare costs: a propensity-matched cohort study
      ICES in the News
      • COVID-19 in Ontario: Notable findings for the week of February 7-11, 2021
      • Shifts in office and virtual primary care during the early COVID-19 pandemic in Ontario, Canada
      • Prevalence of prenatal opioid exposure in Ontario, Canada, 2014-2019
      • Association of preexisting disability with severe maternal morbidity or mortality in Ontario, Canada
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      • Geographic impact on access to care and survival for non-curative esophagogastric cancer: a population-based study
      • An association between cardiologist billing patterns, healthcare utilization and outcomes in cardiac patients
      • Increased mortality for individuals with giant cell arteritis: a population-based study
      • Impact of pretransplant and new-onset diabetes after transplantation on the risk of major adverse cardiovascular events in kidney transplant recipients: a population-based cohort study
      • A population-based study comparing outcomes for patients with metastatic castrate resistant prostate cancer treated by urologists or medical oncologists with first line abiraterone acetate or enzalutamide
      • Increased incidence of inflammatory bowel disease after Hirschsprung disease: a population-based cohort study
      • Adolescents and young adult acute myeloid leukemia outcomes at pediatric versus adult centers: a population-based study
      • Accidental injury, self-injury and assault among children of women with schizophrenia: a population-based cohort study
    • June 2021

      • Postpartum mental illness during the COVID-19 pandemic: a population-based, repeated cross-sectional study
      • Association of socioeconomic status with medical assistance in dying: a case-control analysis
      • Inequities in access to primary care among opioid recipients in Ontario, Canada: a population-based cohort study
      • Development and validation of a machine learning model using administrative health data to predict onset of type 2 diabetes
      ICES in the News
      • A population-based analysis of the impact of the COVID-19 pandemic on common abdominal and gynecological emergency department visits
      • COVID-19 in Ontario: Highlights for the week of June 6–12, 2021
      • Adherence at 2 years with distribution of essential medicines at no charge: the CLEAN Meds randomized clinical trial
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      • Stroke care and case fatality in people with and without schizophrenia: a retrospective cohort study
      • Childhood food insecurity and incident asthma: a population-based cohort study of children in Ontario, Canada
      • Lung cancer inequalities in stage of diagnosis in Ontario, Canada
      • Patterns of cardiovascular risk factors in the years before pregnancy in nulliparous women with and without preterm birth and small-for-gestational-age delivery
      • Association between end-of-life cancer care and immigrant status: a retrospective cohort study in Ontario, Canada
      • Primary care-based smoking cessation treatment and subsequent healthcare service utilisation: a matched cohort study of smokers using linked administrative healthcare data
      • Morbidity and mortality reduction associated with polysomnography testing in idiopathic pulmonary fibrosis: a population-based cohort study
      • Glycemic control in transition-aged versus early adults with type 1 diabetes and the effect of a government-funded insulin pump program
    • Cardiorenal outcomes in eligible patients referred for bariatric surgery

      Dash S, Everett K, Jackson T, Okrainec A, Urbach DR, Sockalingam S, Shah BR, Farkouh ME. Obesity (Silver Spring). 2021; 29(12):2035-43. Epub 2021 Nov 1. DOI:

    • Single versus multiple arterial revascularization in patients with reduced renal function: long-term outcome comparisons in 23,406 CABG patients from Ontario, Canada

      Hayatsu Y, Ruel M, Bader Eddeen A, Sun L. Ann Surg. 2022; 275(3):602-8. Epub 2020 Jun 24. DOI:

    • Cardiovascular disease and hypertension risk in living kidney donors: an analysis of health administrative data in Ontario, Canada

      Garg AX, Prasad GV, Thiessen-Philbrook HR, Li P, Melo M, Gibney EM, Knoll G, Karpinski M, Parikh CR, Gill J, Storsley L, Vlasschaert M, Mamdani M; Donor Nephrectomy Outcomes Research (DONOR) Network. Transplantation. 2008; 86(3):399-406.

    • October 2022

      • Telemedicine use and outcomes after transient ischemic attack and minor stroke during the COVID-19 pandemic: a population-based cohort study
      • Post-acute health care burden after SARS-CoV-2 infection: a retrospective cohort study
      • Trends in the association between diabetes and cardiovascular events, 1994-2019
      • Association of virtual care expansion with environmental sustainability and reduced patient costs during the COVID-19 pandemic in Ontario, Canada
      • Determinants of hospital use and physician services among adults with a history of homelessness
      ICES in the News
      • Family physicians stopping practice during the COVID-19 pandemic in Ontario, Canada
      • Regional collaborative home-based palliative care and health care outcomes among adults with heart failure
      • Association of extracorporeal membrane oxygenation with new mental health diagnoses in adult survivors of critical illness
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      • Clinical outcomes in younger women hospitalized with an acute myocardial infarction: a contemporary population-level analysis
      • Complications from post-mastectomy radiotherapy in patients undergoing immediate breast reconstruction: a population-based study
      • Disability and interpersonal violence in the perinatal period
      • Does early life exposure to exogenous sources of reactive oxygen species (ROS) increase the risk of respiratory and allergic diseases in children? A longitudinal cohort study
      • Highly versus less bioavailable oral antibiotics in the treatment of gram negative bloodstream infections: a propensity-matched cohort analysis
      • Hospital-, anesthesiologist-, surgeon-, and patient-level variations in neuraxial anesthesia use for lower limb revascularization surgery: a population-based cross-sectional study
      • Incidence of psychiatric illness in patients with neuroendocrine tumors: a comparative population-based analysis
      • Variation in low-value radiograph use for children in the emergency department: a cross-sectional study of administrative databases
    • Cardiovascular outcomes in children with Kawasaki disease: a population-based cohort study

      Robinson C, Chanchlani R, Gayowsky A, Brar S, Darling E, Demers C, Mondal T, Parekh R, Seow H, Batthish M. Pediatr Res. 2022; Nov 15 [Epub ahead of print]. DOI:

    • Outcomes following coronary artery bypass grafting with multiple arterial grafting by pump status in men and women

      Rubens FD, Fremes SE, Grubic N, Fergusson D, Taljaard M, van Walraven C. J Thorac Cardiovasc Surg. 2023; Feb 14 [Epub ahead of print]. DOI:

    • Relation between primary care physician supply and diabetes care and outcomes: a cross-sectional study

      Kiran T, Glazier RH, Campitelli MA, Calzavara A, Stukel TA. CMAJ Open. 2016; 4(1):E80-7.

    • Impact of clinical trial results on the temporal trends of carotid endarterectomy and stenting from 2002 to 2014

      Hussain MA, Mamdani M, Tu JV, Saposnik G, Khoushhal Z, Aljabri B, Verma S, Al-Omran M. Stroke. 2016; 47(12):2923-30.

    • Sex differences in the outcomes of peripheral arterial disease: a population-based cohort study

      Hussain MA, Lindsay TF, Mamdani M, Wang X, Verma S, Al-Omran M. CMAJ Open. 2016; 4(1):E124-31.

    • Impact of South Asian ethnicity on long-term outcomes after coronary artery bypass grafting surgery: a large population-based propensity matched study

      Deb S, Tu JV, Austin PC, Ko DT, Rocha R, Mazer CD, Kiss A, Fremes SE. J Am Heart Assoc. 2016; 5(7):e003941.

    • Prioritizing performance measurement for emergency department care: consensus on evidence-based quality of care indicators

      Schull MJ, Guttmann A, Leaver CA, Vermeulen M, Hatcher CM, Rowe BH, Zwarenstein M, Anderson GM. CJEM. 2011; 13(5):300-9.

    • Rates of hemorrhage during warfarin therapy for atrial fibrillation

      Gomes T, Mamdani MM, Holbrook AM, Paterson JM, Hellings C, Juurlink DN. CMAJ. 2013; 185(2):E121-7. Epub 2012 Nov 26.

    • The impact of multiple chronic diseases on ambulatory care use; a population based study in Ontario, Canada

      Muggah E, Graves E, Bennett C, Manuel DG. BMC Health Serv Res. 2012; 12:452. Epub 2012 Dec 10.

    • The interaction of obesity and nocturnal hypoxemia on cardiovascular consequences in adults with suspected obstructive sleep apnea: a historical observational study

      Kendzerska T, Leung RS, Gershon AS, Tomlinson G, Ayas N. Ann Am Thorac Soc. 2016; 13(12):2234-41.