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Publication Results (211)

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  • ADHD treatment in primary care: demographic factors, medication trends, and treatment predictors

    Hauck TS, Lau C, Wing LLF, Kurdyak P, Tu K. Can J Psychiatry. 2017; 62(6):393-402. Epub 2017 Jan 18.

  • A latent class analysis of brief postpartum psychiatric hospital admissions

    Shlomi Polachek I, Fung K, Putnam K, Brody SM, Vigod SN. Psychiatry Res. 2018; 262:452-8. Epub 2017 Sep 11.

  • Co-morbid non-communicable diseases and associated health service use in African and Caribbean immigrants with HIV

    Masindi KI, Jembere N, Kendall CE, Burchell AN, Bayoumi AM, Loutfy M, Raboud J, Rourke SB, Luyombya H, Antoniou T. J Immigr Minor Health. 2018; 20(3):536-45. Epub 2017 Dec 5.

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

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

  • October 2018

    • 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
  • Changes in characteristics and practice patterns of Ontario psychiatrists: implications for access to psychiatrists

    Kurdyak P, Zaheer J, Cheng J, Rudoler D, Mulsant BH. Can J Psychiatry. 2017; 62(1):40-7. Epub 2016 Aug 22.

  • November 2018

    • Many Ontario youths not receiving timely follow-up after first emergency visit for psychotic disorder
    • Blood lithium monitoring practices in a population-based sample of older adults
    • Prevalence of severe maternal morbidity and factors associated with maternal mortality in Ontario, Canada
    ICES Research Video Trailer
    • Mortality and chronic disease risk associated with poor life satisfaction: a population-based cohort study
    ICES in the News
    • Cancer in First Nations People in Ontario: Incidence, Mortality, Survival and Prevalence
    • Maternal intellectual or developmental disability and newborn discharge to protective services
    • Screening for a new primary cancer in patients with existing metastatic cancer: a retrospective cohort study
    • Mental health outcomes after major trauma in Ontario: a population-based analysis
    • Comparative risk of harm associated with trazodone or atypical antipsychotic use in older adults with dementia
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    • Pilot study of the ability to probabilistically link clinical trial patients to administrative data and determine long-term outcomes
    • Describing the process of ethical conduct of research in an Ontario-wide First Nations diabetes research project
    • Patient engagement in a trial testing a new strategy of acute heart failure care
    • Generational patterns of asthma incidence among immigrants to Canada over two decades: a population-based cohort study
    • Influence of surgical procedures and general anesthesia on child development before primary school entry among matched sibling pairs
    • Regional variation in healthcare spending and mortality among senior high-cost healthcare users in Ontario, Canada: a retrospective matched cohort study
    • High health care costs among adults with intellectual and developmental disabilities: a population based study
  • Prevalence and predictors of involuntary psychiatric hospital admissions in Ontario, Canada: a population-based linked administrative database study

    Lebenbaum M, Chiu M, Vigod S, Kurdyak P. BJPsych Open. 2018; 4(2):31-8. Epub 2018 Feb 22.

  • Implementation and utilisation of telepsychiatry in Ontario: a population-based study

    Serhal E, Crawford A, Cheng J, Kurdyak P. Can J Psychiatry. 2017; 62(10):716-25. Epub 2017 May 29.

  • Varenicline and risk of self-harm: a nested case-control study

    Tadrous M, Martins D, Yao Z, Mamdani MM, Juurlink DN, Gomes T, Antoniou T. PLoS One. 2016; 11(9):e0163681.

  • The impact of rural residence on medically serious medicinal self-poisonings

    Rhodes A, Bethell J, Jaakkimainen RL, Thurlow J, Spence J, Links PS, Streiner DL. Gen Hosp Psychiatry. 2008; 30(6):552-60. Epub 2008 Aug 22.

  • Depressed mood in the suicidal population

    Bethell J, Rhodes AE. Can J Psychiatry. 2007; 52(11):744-8.

  • Developing measures of quality for the emergency department management of pediatric suicide-related behaviors

    Rhodes AE, Bethell J, Newton AS, Anthony J, Tonmyr L, Bhanji F, Chaulk D, Curtis S, Gouin S, Joubert GI, Porter R, Silver N, Spruyt J, Thompson GC, Turner TW; Pediatric Emergency Research Canada (PERC). Pediatr Emerg Care. 2012; 28(11):1124-8.

  • Antipsychotic initiation among adults with intellectual and developmental disabilities in Ontario: a population-based cohort study

    Gomes T, Khuu W, Tadrous M, Vigod S, Cobigo V, Lunsky Y. BMJ Open. 2019; 9:e028125. Epub 2019 Jul 31. DOI: 10.1136/bmjopen-2018-028125.

  • November 2019

    • Association between neighborhood walkability and predicted 10-year cardiovascular disease risk: the Cardiovascular Health in Ambulatory Care Research Team (CANHEART) cohort
    • Risk of involuntary admission among first-generation ethnic minority groups with early psychosis: a retrospective cohort study using health administrative data
    • Perinatal outcomes for untreated women with gestational diabetes by IADPSG criteria: a population-based study
    • Hypertrophic cardiomyopathy-related sudden cardiac death in young people in Ontario
    Research Video
    • One-year home-time and mortality after thrombolysis compared with nontreated patients in a propensity-matched analysis
    ICES in the News
    • The uptake of the pharmacy-dispensed naloxone kit program in Ontario: A population-based study
    • An opioid prescription for men undergoing minor urologic surgery is associated with an increased risk of new persistent opioid use
    • Clinical effectiveness of cardiac noninvasive diagnostic testing in patients discharged from the emergency department for chest pain
    • Uptake of colorectal cancer screening by physicians is associated with greater uptake by their patients
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    • 90-90-90 for everyone? Access to HIV care and treatment for people with HIV who experience imprisonment in Ontario, Canada
    • Association between angiotensin-converting enzyme inhibitors, angiotensin receptor blockers, and suicide
    • Potential impact of changes in administrative database coding methodology on research and policy decisions: an example from the Ontario Health Insurance Plan
    • Pitfalls in measuring temporal trends for late diagnosis of viral hepatitis
    • Incremental healthcare utilisation and costs among new senior high-cost users in Ontario, Canada: a retrospective matched cohort study
    • Identifying Ontario geographic regions to assess adults who present to hospital with laboratory-defined conditions: a descriptive study
    • Inequity in access to transcatheter aortic valve replacement: a pan-Canadian evaluation of wait-times
  • Data linkage: Canadian and Australian perspectives on a valuable methodology for intellectual and developmental disability research

    Balogh R, Leonard H, Bourke J, Brameld K, Downs J, Hansen M, Glasson E, Lin E, Lloyd M, Lunsky Y, O'Donnell M, Shooshtari S, Wong K, Krahn G. Intellect Dev Disabil. 2019; 57(5):439-62. Epub 2019 Oct 1. DOI:

  • 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
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    • 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
  • March 2020

    • Ethnic variation in the conversion of prediabetes to diabetes among immigrant populations relative to Canadian-born residents: a population-based cohort study
    • Evaluation of a common prescribing cascade of calcium channel blockers and diuretics in older adults with hypertension
    • Association of tympanostomy tubes with future assistive hearing devices – a population based study
      ICES in the News
      • Early experience with medical assistance in dying in Ontario, Canada: a cohort study
      • Validation study of health administrative data algorithms to identify individuals experiencing homelessness and estimate population prevalence of homelessness in Ontario, Canada
      • Incidence of chronic obstructive pulmonary disease in people with HIV in Ontario, 1996–2015: a retrospective population-based cohort study
      • Diabetes prevalence, incidence and mortality in First Nations and other people in Ontario, 1995–2014: a population-based study using linked administrative data
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      • Effectiveness of confidential reports to physicians on their prescribing of antipsychotic medications in nursing homes
      • Estimating the net benefit of improvements in hospital performance: G-computation with hierarchical regression models
      • Publicly funded home care service use in the first 2 years after spinal cord injury in Ontario, Canada
      • Antibiotic prescribing choices and their comparative C. difficile infection risks: a longitudinal case-cohort study
      • Comparing an artificial neural network to logistic regression for predicting ED visit risk among patients with cancer: a population-based cohort study
      • The association between climate, geography and respiratory syncitial virus hospitalizations among children in Ontario, Canada: a population-based study
      • Urgent outpatient care following mental health ED visits: a population-based study
      • Comparison of payment changes and Choosing Wisely recommendations for use of low-value laboratory tests in the United States and Canada
    • Evaluation of the transitional discharge model on use of psychiatric health services: an interrupted time series analysis

      Lam M, Li L, Anderson KK, Shariff  SZ, Forchuk C. J Psychiatr Ment Health Nurs. 2020; 27(2):172-84. Epub 2019 Sep 16. DOI: 10.1111/jpm.12562.

    • 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
      • Concordance between health administrative data and survey-derived diagnoses for mood and anxiety disorders

        Edwards J, Thind A, Stranges S, Chiu M, Anderson KK. Acta Psychiatr Scand. 2020; 141(4):385-95. Epub 2019 Dec 28. DOI:

      • Fatigue in osteoarthritis: a qualitative study

        Power JD, Badley EM, French MR, Wall AJ, Hawker GA. BMC Musculoskelet Disord. 2008; 9:63.

      • Prevalence, recurrence, and incidence of current depressive symptoms among people living with HIV in Ontario, Canada: results from the Ontario HIV Treatment Network Cohort Study

        Choi SK, Boyle E, Cairney J, Collins EJ, Gardner S, Bacon J, Rourke SB. PLoS One. 2016; 11(11):e0165816.

      • Ethnic differences in mental illness severity: a population-based study of Chinese and South Asian patients in Ontario, Canada

        Chiu M, Lebenbaum M, Newman AM, Zaheer J, Kurdyak P. J Clin Psychiatry. 2016; 77(9):e1108-16. Epub 2016 Aug 2.

      • Health care use during transfer to adult care among youth with chronic conditions

        Cohen E, Gandhi S, Toulany A, Moore C, Fu L, Orkin J, Levy D, Stephenson AL, Guttmann A. Pediatrics. 2016; 137(3):1-9. Epub 2016 Feb 23.

      • 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.

      • Obesity, lifestyle risk-factors, and health service outcomes among healthy middle-aged adults in Canada

        Alter DA, Wijeysundera HC, Franklin B, Austin PC, Chong A, Oh PI, Tu JV, Stukel TA. BMC Health Serv Res. 2012; 12:238. Epub 2012 Aug 4.

      • Using administrative health data to identify individuals with intellectual and developmental disabilities: a comparison of algorithms

        Lin E, Balogh R, Cobigo V, Ouellette-Kuntz H, Wilton AS, Lunsky Y. J Intellect Disabil Res. 2013; 57(5):462-77. Epub 2012 Nov 1.

      • Wait times in the emergency department for patients with mental illness

        Atzema CL, Schull MJ, Kurdyak P, Menezes NM, Wilton AS, Vermuelen MJ, Austin PC. CMAJ. 2012; 184(18):E969-76. Epub 2012 Nov 12.

      • Association between quality domains and health care spending across physician networks

        Rahman F, Guan J, Glazier RH, Brown A, Bierman AS, Croxford R, Stukel TA. PLoS One. 2018; 13(4):e0195222. Epub 2018 Apr 3.

      • Assessing timely presentation to care among people diagnosed with HIV during hospital admission: a population-based study in Ontario, Canada

        Kendall CE, Shoemaker ES, Raboud J, Mark AE, Bayoumi AM, Burchell AN, Loutfy M, Rourke SB, Liddy CE, Rosenes R, Rogers T, Antoniou T. AIDS Behav. 2018; 22(8):2575-83. Epub 2018 Mar 13.

      • Health care costs for the evaluation, surgery, and follow-up care of living kidney donors

        Habbous S, Sarma S, Barnieh L, McArthur E, Klarenbach S, Manns B, Begen MA, Lentine KL, Garg AX; Donor Nephrectomy Outcomes Research (DONOR) Network. Transplantation. 2018; 102(8):1367-74. Epub 2018 Apr 19.

      • High-cost health care users in Ontario, Canada: demographic, socio-economic, and health status characteristics

        Rosella LC, Fitzpatrick T, Wodchis WP, Calzavara A, Manson H, Goel V. BMC Health Serv Res. 2014; 14:532. Epub 2014 Oct 31.

      • Eczema and subsequent suicide: a matched case-control study

        Drucker AM, Thiruchelvam D, Redelmeier DA. BMJ Open. 2018 25; 8(11):e023776. Epub 2018 Nov 25.

      • Traumatic brain injury as an independent risk factor for problem gambling: a matched case-control study

        Bhatti JA, Thiruchelvam D, Redelmeier DA. Soc Psychiatry Psychiatr Epidemiol. 2019; 54(4):517-23. Epub 2018 Sep 19.

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

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

      • Increased rate of long-term mortality among burn survivors: a population-based matched cohort study

        Mason SA, Nathens AB, Byrne JP, Diong C, Fowler RA, Karanicolas PJ, Moineddin R, Jeschke MG. Ann Surg. 2019; 269(6):1192-9. Epub 2018 Feb 27.

      • Suicide in Canadian veterans living in Ontario: a retrospective cohort study linking routinely collected data

        Mahar AL, Aiken AB, Whitehead M, Tien H, Cramm H, Fear NT, Kurdyak P. BMJ Open. 2019; 9:e027343. Epub 2019 Jun 2. DOI: 10.1136/bmjopen-2018-027343.

      • Access and health system impact of an early intervention treatment program for emerging adults with mood and anxiety disorders

        Anderson KK, John-Baptiste A, MacDougall AG, Li L, Kurdyak P, Osuch EA. Can J Psychiatry. 2019; 64(7):492-500. Epub 2018 Nov 12.

      • Age-sex differences in medicinal self-poisonings: a population-based study of deliberate intent and medical severity

        Rhodes AE, Bethell J, Spence J, Links PS, Streiner DL, Jaakkimainen RL. Soc Psychiatry Psychiatr Epidemiol. 2008; 43(8):642-52. Epub 2008 May 29.