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Publication Results (850)

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  • October 2016

    • Factors associated with timely physician follow-up after a first diagnosis of psychotic disorder
    • ICES research video series: Claire de Oliveira on phase-specific and lifetime costs of cancer care in Ontario
    • “Weekday effect” not a factor in elective surgery mortality in Ontario
    • Patients with COPD and chronic asthma at higher risk of severe illness: Ontario study
    • Deceased organ donation registration and familial consent among Chinese and South Asians in Ontario, Canada
    • Impact of a mass media mental health campaign on psychiatric emergency department visits
    • The association of dyslipidemia with chronic lymphocytic leukemia: a population-based study
    • Clinical impact of subsequent depression in patients with a new diagnosis of stable angina: a population-based study
    • Inhaled long-acting anticholinergics and urinary tract infection in individuals with COPD
  • Opening Eyes, Opening Minds: The Ontario Burden of Mental Illness and Addictions Report

    Ratnasingham S, Cairney J, Rehm J, Manson H, Kurdyak PA. October 2012
  • A national strategy for waiting-times research?

    Slaughter PM, Carlisle J, Williams J, Ferris LE. CMAJ. 2005; 172(10):1283-4.

  • The Smoking Regulatory Index: a new way to measure public health performance

    Rosenfield D, Manuel DG, Alter DA. CMAJ. 2006; 174(10):1403-4.

  • April 2017

    • Inflammatory bowel diseases on the rise in Canadian children
    • Low cancer screening rates among organ transplant patients in Ontario
    Research video
    • Baiju Shah on high thyroid cancer risk in Ontario immigrants from Southeast and East Asia
    ICES in the News
    • Two people a day die of opioid-related causes in Ontario
    • Many nursing home residents with dementia get medications of questionable benefit near the end of life
    • Where you live in Ontario could determine your risk of heart attack, stroke or dying of cardiovascular disease
    • No association between antidepressants during pregnancy and autism spectrum disorder in children
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    • Do people who experience incarceration age more quickly? Exploratory analyses using retrospective cohort data on mortality from Ontario, Canada
    • Mental health services claims and adult onset asthma in Ontario, Canada
    • Impact of a provincial quality-improvement program on primary health care in Ontario: a population-based controlled before-and-after study
    • The association of frailty with outcomes and resource use after emergency general surgery: a population-based cohort study
    • Level of need, divertibility, and outcomes of newly admitted nursing home residents
    • The Cardiovascular Health in Ambulatory Care Research Team performance indicators for the primary prevention of cardiovascular disease: a modified Delphi panel study
  • Does it matter what a hospital is "high volume" for? Specificity of hospital volume-outcome associations for surgical procedures: analysis of administrative data

    Urbach DR, Baxter NN. Qual Saf Health Care. 2004; 13(5):379-83.

  • Risk factors for cardiovascular disease in Canada

    Tanuseputro P, Manuel DG, Leung M, Nguyen K, Johansen H; Canadian Cardiovascular Outcomes Research Team. Can J Cardiol. 2003; 19(11):1249-59.

  • Physicians' opinions about decision aids for patients considering systemic adjuvant therapy for axillary-node negative breast cancer

    O'Connor AM, Llewellyn-Thomas HA, Sawka C, Pinfold SP, To T, Harrison DE. Patient Educ Couns. 1997; 30(2):143-53.

  • Risk factors and timing of venous thromboembolism after radical cystectomy in routine clinical practice: a population-based study

    Doiron RC, Booth CM, Wei X, Siemens DR. BJU Int. 2016; 118(5):714-22. Epub 2016 Mar 7.

  • A population-based case-cohort study of the risk of myocardial infarction following radiation therapy for breast cancer

    Paszat LF, Vallis KA, Benk VM, Groome PA, Mackillop WJ, Wielgosz A. Radiother Oncol . 2007; 82(3):294-300. Epub 2007 Feb 5.

  • The relationship of 60 disease diagnoses and 15 conditions to preference-based health-related quality of life in Ontario hospital-based long-term care residents

    Lam JM, Wodchis WP. Med Care. 2010; 48(4):380-7.

  • 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
  • September 2017

    • Higher use of home care for Ontarians with intellectual and developmental disabilities
    • H1N1 infection increased risk of premature births for pregnant women with pre-existing medical conditions
    • The shrinking health advantage: unintentional injuries among children and youth from immigrant families
    • The risk of mycobacterial infections associated with inhaled corticosteroid use
    • Mental health services use trends in Canadian Veterans: a population-based retrospective cohort study in Ontario
    ICES in the News
    • Refugee children and youth at higher risk of unintentional injury compared with non-refugee immigrants
    • Ontarians with schizophrenia die eight years younger than those without
    • Half of young adults with autism have a psychiatric diagnosis
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    • The direct healthcare costs associated with psychological distress and major depression: a population-based cohort study in Ontario, Canada 
    • Low medical morbidity and mortality after acute courses of electroconvulsive therapy in a population-based sample
    • Performance of a postnatal metabolic gestational age algorithm: a retrospective validation study among ethnic subgroups in Canada
    • Performance of a postnatal metabolic gestational age algorithm: a retrospective validation study among ethnic subgroups in Canada
    • Has province-wide symptom screening changed opioid prescribing rates in older patients with cancer?
    • Cervical cancer screening among women from Muslim-majority countries in Ontario, Canada
    • Impact of injectable furosemide hospital shortage on congestive heart failure outcomes: a time series analysis
    • Estimating the prevalence of heterozygous familial hypercholesterolaemia: a systematic review and meta-analysis
  • Higher surgeon and hospital volume improves long-term survival after radical cystectomy

    Kulkarni GS, Urbach DR, Austin PC, Fleshner NE, Laupacis A. Cancer. 2013; 119(19):3546-54. Epub 2013 Jul 9.

  • The burden of mental health and addiction in Ontario

    Ratnasingham S, Cairney J, Manson H, Rehm J, Lin E, Kurdyak P. Can J Psychiatry. 2013; 58(9):529-37.

  • The implications of regional variations in Medicare spending. Part 2: health outcomes and satisfaction with care

    Fisher ES, Wennberg DE, Stukel TA, Gottlieb DJ, Lucas FL, Pinder EL. Ann Intern Med. 2003; 138(4):288-98.

  • December 2017

    • Supply of Ontario physicians providing comprehensive care lower than thought
    • Highlighting our data partnership with Immigration, Refugees and Citizenship Canada: A population-based study of postpartum mental health service use by immigrant women in Ontario, Canada
    • Highlighting our data partnership with Immigration, Refugees and Citizenship Canada: Impact of immigration status on cancer outcomes in Ontario, Canada
    ICES research video series
    • Laura Rosella on creating a new population risk tool for predicting high-cost users of health care
    ICES in the News
    • Cardiovascular and neuropsychiatric events following varenicline use for smoking cessation
    • Financial incentives did not increase psychiatric follow-up care
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    • The role of mental health and addiction among high-cost patients: a population-based study
    • Association of atrial fibrillation and oral anticoagulant use with perioperative outcomes after major noncardiac surgery
    • Melanoma patterns of care in Ontario: a call for a strategic alignment of multidisciplinary care
    • The relationship between cardiologist care and clinical outcomes in patients with new-onset atrial fibrillation
    • Population-based study to determine the health system costs of using the 21-gene assay
    • Perioperative chemotherapy for bladder cancer in the general population: Are practice patterns finally changing?
    • Does access to end-of-life homecare nursing differ by province and community size? 
    • Using newborn screening analytes to identify cases of neonatal sepsis
  • Association of socioeconomic status and receipt of colorectal investigations: a population-based retrospective cohort study

    Singh SM, Paszat LF, Li C, He J, Vinden C, Rabeneck L. CMAJ. 2004; 171(5):461-5.

  • Surgeon specialty and operative mortality with lung resection

    Goodney PP, Lucas FL, Stukel TA, Birkmeyer JD. Ann Surg. 2005; 241(1):179-84.

  • Endoscopic follow-up of positive fecal occult blood testing observed in the Ontario FOBT project

    Paszat L, Rabeneck L, Kiefer L, Mai V, Ritvo P, Sullivan T. Can J Gastroenterol. 2007; 21(6):379-82.

  • Assessing the volume-outcome hypothesis and region-level quality improvement interventions: pancreas cancer surgery in two Canadian provinces

    Simunovic M, Urbach D, Major D, Sutradhar R, Baxter N, To T, Brown A, Davis D, Levine M. Ann Surg Oncol. 2010; 17(10):2537-44. Epub 2010 Jul 13.

  • Benchmarking time to initiation of end-of-life homecare nursing: a population-based cancer cohort study in regions across Canada

    Seow H, Qureshi D, Barbera L, McGrail K, Lawson B, Burge F, Sutradhar R. BMC Palliat Care. 2018; 17:70. Epub 2018 May 4.

  • The impact of the Choosing Wisely Campaign in urology

    Welk B, Winick-Ng J, McClure JA, Lorenzo AJ, Kulkarni G, Ordon M. Urology. 2018; 116:81-6. Epub 2018 Mar 20.

  • Misclassification of hospital volume in surgical volume-outcome analyses of persons aged 65 years and older: potential limitations of medicare data

    Baxter NN, Urbach D. Evid Based Surg. 2003; 1(1):49-55.

  • The association between visiting a primary care provider and the uptake of periodic mammograms as women get older

    Sutradhar R, Gu S, Glazier RH, Paszat LF; Ontario Cancer Screening Research Network. J Med Screen. 2016; 23(2):83-8. Epub 2015 Sep 9.

  • Reporting trends and prognostic significance of lymphovascular invasion in muscle-invasive urothelial carcinoma: a population-based study

    Berman DM, Kawashima A, Peng Y, Mackillop WJ, Siemens DR, Booth CM. Int J Urol. 2015; 22(2):163-70. Epub 2014 Sep 4.

  • A systematic review and meta-analysis of the association between childhood infections and the risk of childhood acute lymphoblastic leukaemia

    Hwee J, Tait C, Sung L, Kwong JC, Sutradhar R, Pole JD. Br J Cancer. 2018; 118(1):127-37. Epub 2017 Oct 24.

  • Negative predictive value of preoperative computed tomography in determining pathologic local invasion, nodal disease, and abdominal metastases in gastric cancer

    Kagedan DJ, Frankul F, El-Sedfy A, McGregor C, Elmi M, Zagorski B, Dixon ME, Mahar AL, Vasilevska-Ristovska J, Helyer L, Rowsell C, Swallow CJ, Law CH, Coburn NG. Curr Oncol. 2016; 23(4):273-9.

  • Do diagnostic and procedure codes within population-based, administrative datasets accurately identify patients with rectal cancer?

    Musselman RP, Gomes T, Rothwell DM, Auer RC, Moloo H, Boushey RP, van Walraven C. J Gastrointest Surg. 2019; 23(2):367-76. Epub 2018 Dec 3.

  • Improved keratinocyte carcinoma outcomes with annual dermatology assessment after solid organ transplantation: population-based cohort study

    Chan AW, Fung K, Austin PC, Kim SJ, Singer LG, Baxter NN, Alhusayen R, Rochon PA. Am J Transplant. 2019; 19(2):522-31. Epub 2018 Jul 6.

  • A population-based study on NIFTP incidence and survival: Is NIFTP really a "benign" disease?

    Eskander A, Hall SF, Manduch M, Griffiths R, Irish JC. Ann Surg Oncol. 2019; 26(5):1376-84. Epub 2019 Jan 28.

  • August 2019

    • 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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    • 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
  • December 2019

    • First Nations and Diabetes in Ontario
    • Validation study of health administrative data algorithms to identify individuals experiencing homelessness and estimate population prevalence of homelessness in Ontario, Canada
    • Association of baclofen with encephalopathy in patients with chronic kidney disease
    • Long-term mortality in mothers of infants with neonatal abstinence syndrome: a population-based parallel-cohort study in England and Ontario, Canada
    • Rates of recognized pregnancy in women with disabilities in Ontario, Canada
    • Dying of amyotrophic lateral sclerosis: health care use and cost in the last year of life
    ICES in the News
    • Long-term mental health outcomes in mothers and siblings of children with cancer: a population-based matched cohort study
    • Effect of asthma exacerbation during pregnancy in women with asthma: a population-based cohort study
    • Cross-Canada differences in early-stage breast cancer treatment and acute-care use
    • Population impact of generic valsartan recall
    • Trends of intentional drug overdose among youth: a population-based cohort study
    You may also be interested in...
    • Interfacility patient sharing and clostridioides difficile infection incidence in the Ontario hospital system: a 13-year cohort study
    • The impact of air pollution on the incidence of diabetes and survival among prevalent diabetes cases
    • Comparison of cardiovascular risk factors and outcomes among practicing physicians vs the general population in Ontario, Canada
    • Real-world risk of cardiovascular outcomes associated with hypertriglyceridemia among individuals with atherosclerotic cardiovascular disease and potential eligibility for emerging therapies
    • Avoidable mortality rates decrease but inequity gaps widen for marginalized neighborhoods: a population-based analysis in Ontario, Canada from 1993 to 2014
  • Symptom trajectories and predictors of severe symptoms in pancreatic adenocarcinoma at the end-of-life: a population based analysis of 2,538 patients

    Hammad A, Davis LE, Mahar AL, Bubis LD,  Zhao H, Earle CC, Barbera L, Hallet J, Coburn NG. HPB (Oxford). 2019; 21(12):1744-52. Epub 2019 Jul 10. DOI: 10.1016/j.hpb.2019.04.016.

  • Infections and the development of childhood acute lymphoblastic leukemia: a population-based study

    Hwee J, Sutradhar R, Kwong JC, Sung L, Cheng S, Pole JD. Eur J Cancer Prev. 2020 Feb 4 [Epub ahead of print]. DOI:

  • Use and overuse of diagnostic neck ultrasound in Ontario: retrospective population-based cohort study

    Hall SF, Griffiths R. Can Fam Physician. 2020; 66(2):e62-8. Epub 2020 Feb 1.

  • 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
      You may also be interested in...
      • 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
    • Effect of centralization on complex surgical care: a population-based case study of radical cystectomy

      Siemens DR, Visram K, Wei X, Booth C. Can Urol Assoc J. 2020 14(4):91-6. Epub 2019 Oct 18. DOI:

    • June 2020

      • Mood disorders in late life: a population-based analysis of prevalence, risk factors, and consequences in community-dwelling older adults in Ontario
      • Implementation of a physician incentive program for 18-month developmental screening in Ontario, Canada
      • Interventions supporting long term adherence and decreasing cardiovascular events after myocardial infarction (ISLAND): pragmatic randomised controlled trial
      ICES in the News
      • COVID-19 Laboratory Testing in Ontario: Patterns of Testing and Characteristics of Individuals Tested, as of April 30, 2020
      • Risk of hospitalization with hemorrhage among older adults taking clarithromycin vs azithromycin and direct oral anticoagulants
      • ICES’ new three-year strategic plan now available
      You may also be interested in...
      • After-hours incentives and emergency department visits: evidence from Ontario
      • Identifying drugs with disease-modifying potential in Parkinson's disease using artificial intelligence and pharmacoepidemiology
      • In-hospital patient harm across linguistic groups: a retrospective cohort study of home care recipients
      • Healthcare costs and resource utilization associated with treatment of out-of-hospital cardiac arrest
      • Cancer staging in individuals with a severe psychiatric illness: a cross-sectional study using population-based cancer registry data
      • Treatment patterns and outcomes in adolescents and young adults with Hodgkin lymphoma in pediatric versus adult centers: an IMPACT cohort study
      • The impact of different antibiotic treatment regimens on mortality in Mycobacterium avium complex pulmonary disease (MAC-PD): a population-based cohort study
      • Association between the regional variation in premature mortality and immigration in Ontario, Canada
    • The impact of ductal carcinoma in situ on health services utilization

      Paszat L, Sutradhar R, Rakovitch E. Breast Cancer Res Treat. 2020; 182(1):159–68. Epub 2020 May 8. DOI: