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Publication Results (211)

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  • August 2016

    • Higher health care costs for Ontarians living with chronic pain
    • Gastric cancer patients receive different treatment depending on region
    • More psychiatrists will not improve access to mental health care in Ontario, study suggests
    • Study reveals ethnic differences in mental health severity when hospitalized
    • Unhealthy habits cost Canadians six years of life
    • New analysis looks at who is receiving high-strength opioids in Ontario
    • New study sheds light on long-term survival of children with trisomy 13 and 18
    • Many women heading to ER for postpartum mood disorders
    • Young medically-complex patients need less acute care after discharge if follow-up happens quickly
    • Babies born to diabetic moms more at risk for birth anomalies; study findings support folic acid supplements
  • October 2015

    • Study shows “healthy immigrant” effect in rates of major cardiovascular events in Ontario
    • No increase in adverse outcomes for elective day surgery when doctor worked night before
    • Study establishes risk of death during chronic opioid therapy, men at much higher risk than women
    • Air pollution exposure leads to increased health service use by people with chronic illness
    • Source region plays a role in type and intensity of mental health services accessed by immigrants
  • March 2016

    • Suicide risk threefold higher after concussion; rates highest following weekend concussions
    • Lower income Ontario seniors less likely to access newly approved blood thinner
    • Emergency visits by Ontario youth for mental health and addictions increased by 32% over six years
    • Even moderate changes in air temperature can lead to increase in deaths
    • Significant rise in gallbladder disease surgery among children in 20-year period
  • January 2016

    • Quality of mental health services varies across Ontario: ICES/HQO report
    • Fast food “swamps” linked to high obesity rates when healthier choices crowded out
    • Safe injection facilities would be cost-effective in Toronto and Ottawa
    • Use of common antibiotic increases risk for tendon rupture and aortic aneurysm
    • Many Ontarians with dementia do not get rehabilitative care following hip fracture surgery
  • June 2006

    • Study shows wide disparities in effectiveness of anti-smoking laws across Canada
    • Mental health care use is unequal between socioeconomic groups
    • Women and low income earners more likely to have dangerous colorectal cancer complications
    • Wait times not growing, but inequities still exist, ICES report shows
    • Physician prescribing patterns are improving for diabetes patients with hypertension
  • March 2006

    • Increases in cardiac tests outpacing growth of heart disease
    • Immunizations not up-to-date in many Ontario two-year-olds
    • Statins may help to protect heart disease patients against sepsis
    • Ontarians with depression have equitable access to mental health services
    • Acne patients in lower income groups less likely to be referred to dermatologists
  • February 2006

    • ICES report provides in-depth look at physician services in rural and Northern Ontario
    • Traditional risk factors more influential than SES in explaining differences in heart attack mortality
    • Adults with disabilities from childhood require improved processes of care
    • Blood sugar control better for persons with diabetes who receive specialist care
    • Suicidal individuals without depression require better contact with mental health professionals
  • Factors associated with postpartum psychiatric admission in a population-based cohort of women with schizophrenia

    Vigod SN, Rochon-Terry G, Fung K, Gruneir A, Dennis CL, Grigoriadis S, Kurdyak PA, Ray JG, Rochon P, Seeman MV. Acta Psychiatr Scand. 2016; 134(4):305-13. Epub 2016 Jul 20.

  • The effect of traumatic brain injury on the health of homeless people

    Hwang SW, Colantonio A, Chiu S, Tolomiczenko G, Kiss A, Cowan L, Redelmeier DA, Levinson W. CMAJ. 2008; 179(8):779-84.

  • Drug problems among homeless individuals in Toronto, Canada: prevalence, drugs of choice, and relation to health status

    Grinman MN, Chiu S, Redelmeier DA, Levinson W, Kiss A, Tolomiczenko G, Cowan L, Hwang SW. BMC Public Health. 2010; 10:94.

  • Cost analysis of a high support housing initiative for persons with severe mental illness and long-term psychiatric hospitalization

    Rudoler D, de Oliveira C, Jacob B, Hopkins M, Kurdyak P. Can J Psychiatry. 2018; 63(7):492-500. Epub 2018 Mar 25.

  • June 2017

    • The Mental Health of Children and Youth in Ontario: 2017 Scorecard
    • Two-thirds of Ontario hip fracture procedures are performed after hours
    • Playlist: ICES Mental Health & Addictions Research Symposium 2017
    ICES in the News
    • A 1980 letter on the risk of opioid addiction
    • Ontario and LHIN 2015/16 Stroke Report Cards and Progress Reports: Setting the Bar Higher
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    • Influences on the start, selection and duration of treatment with antibiotics in long-term care facilities
    • The impact of opioid medications on subsequent fractures in discharged emergency department patients with peripheral vertigo
    • Impact of immigration status on cancer outcomes in Ontario, Canada
    • Implementation and utilisation of telepsychiatry in Ontario: a population-based study
    • Impact of the publication of appropriate use criteria on utilization rates of myocardial perfusion imaging studies in Ontario, Canada: a population-based study
    • Adverse cardiac events associated with incident opioid drug use among older adults with COPD
    • Critical care at the end of life: a population-level cohort study of cost and outcomes
  • January 2018

    Call for abstracts: IPDLN 2018 Conference
    • 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
      ICES Top 17 of '17
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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
    • March 2018

      Early bird registration open: 2018 IPDLN Conference
      • Supportive housing program for clients with severe mental illness could save funding dollars
      • Generic clopidogrel is as effective as Plavix for treating unstable angina or heart attack
      • High unmet needs for mental health care among major ethnic groups in Ontario
      • Almost all Ontarians accumulate multiple chronic conditions over their lifetime
        ICES in the News
        • More people rely on Ontario's catastrophic drug plan as medication costs rise
        • Early psychosis programs significantly reduce patient mortality, study finds
        Mental Health and Addictions System Performance in Ontario: Report and Launch Symposium
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        • Solid organ transplantation in patients with preexisting malignancies in remission: a propensity score matched cohort study
        • Gabapentin dose and the 30-day risk of altered mental status in older adults: a retrospective population-based study
        • Comparison of opioid prescribing among cancer and non-cancer patients aged 18-64: analysis using administrative data
        • Causes of death in rheumatoid arthritis: how do they compare to the general population?
      • April 2018

        Early bird registration and confirmed keynote speakers: 2018 IPDLN Conference
        • Low income, mental health needs put teens at higher risk for diabetes complications as adults
        • Ontario Stroke Evaluation Report 2018
          ICES in the News
          • Opioids linked to 1 in 6 deaths among young adults in Ontario
          ICES Research Video Series
          • Li Bai on diabetes, hypertension risk and exposure to ultrafine particles
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          • The use of electronic consultations is associated with lower specialist referral rates: a cross-sectional study using population-based health administrative data
          • Associations between neighborhood walkability and incident and ongoing asthma in children
          • Derivation and validation of a generalizable preoperative frailty index using population-based health administrative data
          • Refugee maternal and perinatal health in Ontario, Canada: a retrospective population-based study
          • Youth mental health services utilization rates after a large-scale social media campaign: population-based interrupted time-series analysis
          • Association between quality domains and health care spending across physician networks
        • Health concerns and health service utilization in a population cohort of young adults with autism spectrum disorder

          Weiss JA, Isaacs B, Diepstra H, Wilton AS, Brown HK, McGarry C, Lunsky Y. J Autism Dev Disord. 2018; 48(1):36-44. Epub 2017 Sep 13.

        • Neighborhood walkability of retirement homes: a cross-sectional cohort study

          Brath H, Kim SJ, Savage RD, Bronskill SE, Rochon PA, Stall NM. J Am Med Dir Assoc. 2019; 20(1):105-6. Epub 2018 Nov 3.

        • A cross-sectional, population-based study measuring comorbidity among people living with HIV in Ontario

          Kendall CE, Wong J, Taljaard M, Glazier RH, Hogg W, Younger J, Manuel DG. BMC Public Health. 2014; 14:161.

        • Care of youth in their first emergency presentation for psychotic disorder: a population-based retrospective cohort study

          Kozloff N, Jacob B, Voineskos AN, Kurdyak P. J Clin Psychiatry. 2018; 79(6):17m11947. Epub 2018 Nov 6.

        • A descriptive analysis of medical health services utilization of Veterans living in Ontario: a retrospective cohort study using administrative healthcare data

          Aiken AB, Mahar AL, Kurdyak P, Whitehead M, Groome PA. BMC Health Serv Res. 2016; 16(a):351. Epub 2016 Aug 4.

        • Lithium use, but not valproate use, is associated with a higher risk of chronic kidney disease in older adults with mental illness

          Rej S, Herrmann N, Shulman K, Fischer HD, Fung K, Harel Z, Grunier A. J Clin Psychiatry. 2017; 78(8):e980-5. Epub 2017 Aug 1.

        • Factors associated with diabetes care quality among patients with schizophrenia in Ontario, Canada

          Hsu JH, Calzavara A, Vigod S, Stukel TA, Kiran T, Kurdyak P. Psychiatr Serv. 2020; 71(2):188-91. Epub 2019 Nov 20.

        • Association of primary care continuity with outcomes following transition to adult care for adolescents with severe mental illness

          Toulany A, Stukel TA, Kurdyak P, Fu L, Guttmann A. JAMA Netw Open. 2019; 2(8):e198415. Epub 2019 Aug 2. DOI:10.1001/jamanetworkopen.2019.8415.

        • Factors associated with timely physician follow-up after a first diagnosis of psychotic disorder

          Anderson KK, Kurdyak P. Can J Psychiatry. 2017; 62(4):268-77. Epub 2016 Oct 13.

        • Inclusion of persons with mental illness in patient-centred medical homes: cross-sectional findings from Ontario, Canada

          Steele LS, Durbin A, Sibley LM, Glazier R. Open Med. 2013; 7(1):e9-20. Epub 2013 Feb 12.

        • Physical health and gender as risk factors for usage of services for mental illness

          Matheson FI, Smith KL, Fazli GS, Moineddin R, Dunn JR, Glazier RH. J Epidemiol Community Health. 2014; 68(10):971-8. Epub 2014 Jun 25.

        • Service utilization and suicide among people with schizophrenia spectrum disorders

          Zaheer J, Jacob B, de Oliveira C, Rudoler D, Juda A, Kurdyak P. Schizophr Res. 2018; 202:347-53. Epub 2018 Jun 21.

        • The medical care of male and female youth who die by suicide: a population-based case control study

          Rhodes AE, Boyle MH, Bridge JA, Sinyor M, Katz LY, Bennett K, Newton AS, Links PS, Tonmyr L, Skinner R, Cheung A, Bethell J, Carlisle C. Can J Psychiatry. 2018; 63(3):161-9. Epub 2017 Nov 9.

        • Emergency department presentations and youth suicide: a case-control study

          Rhodes AE, Sinyor M, Boyle MH, Bridge JA, Katz LY, Bethell J, Newton AS, Cheung A, Bennett K, Links PS, Tonmyr L, Skinner R. Can J Psychiatry. 2019; 64(2):88-97. Epub 2018 Oct 3.

        • Acute and outpatient service utilisation prior to, during, and following enrolment in community-based mental health treatment among children and youth in Central Ontario: a proof of concept for cross-sectoral data linkage

          Gatov E, Muir L, Mowat V, Elkader A, Yang J, Kopp A, Cairney J. J Paediatr Child Health. 2020; Jan 29 [Epub ahead of print]. DOI:

        • Physician-based availability of psychotherapy in Ontario: a population-based retrospective cohort study

          Kurdyak P, Zaheer J, Carvalho A, de Oliveira C, Lebenbaum M, Wilton AS, Fefergrad M, Stergiopoulos V, Mulsant BH. CMAJ Open. 2020; 8(1):E105-15. Epub 2020 Mar 11. DOI:

        • April 2016 *New design and format*

          Introducing a new design of At a Glance, using infographics, videos and news stories to share our research highlights.

          • Statins shown to be safe in generic form for high-risk coronary patients 
          • Ontarians' unhealthy behaviours cost $89.4 billion between 2004 and 2013
          • Adult prescriptions for ADHD drugs more than doubled in five years, but access uneven across Canada
          • Poor contraceptive practices are leading to pregnancies in users of isotretinoin, a drug that causes birth defects
          • Breast cancer patients receiving Herceptin treatment should be monitored for heart damage at any age
          • Women with schizophrenia less likely to use acute mental health services during pregnancy and after delivery
          • Dementia patients with multiple physicians or in long-term care at risk of medication conflict
        • 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
        • June 2016

          • Half of all patients dying in Ontario receive some form of palliative care, usually in hospital
          • ICES research video series: Chaim Bell on hospital visits by primary care physicians
          • Introducing our newest satellite site: ICES McMaster
          • One in 30 Ontario women require vaginal mesh revision or removal surgery after treatment for stress urinary incontinence
          • 2014/15 Ontario Stroke Report Cards
          • New ICES report: Variations in quality indicators across Ontario physician networks
          • New study shows gaps in the delivery of publicly funded mental health services to HIV-positive patients with depression
          • Hospital-acquired Clostridium difficile infection is associated with substantial health care costs
        • Patterns of Health Care in Ontario, 2nd edition

          Goel V, Williams JI, Anderson GM, Blackstien-Hirsch P, Fooks C, Naylor CD. May 1996

        • Impact of depression and recreational drug use on emergency department encounters and hospital admissions among people living with HIV in Ontario: a secondary analysis using the OHTN cohort study

          Choi SKY, Boyle E, Cairney J, Grootendorst P, Gardner S, Collins EJ, Kendall C, Rourke SB; OHTN Cohort Study. PLoS One. 2018; 13(4):e0195185. Epub 2018 Apr 9.

        • Depressive symptoms as a determinant of breast and cervical cancer screening in women: a population-based study in Ontario, Canada

          Vigod SN, Kurdyak PA, Stewart DE, Gnam WH, Goering PN. Arch Womens Ment Health. 2001; 14(2):159-68. Epub 2011 Feb 11.

        • The predictors of self-rated health and the relationship between self-rated health and health service needs are similar across socioeconomic groups in Canada

          Smith PM, Glazier RH, Sibley LM. J Clin Epidemiol. 2010; 63(4):412-21. Epub 2009 Nov 18.

        • The health of homeless immigrants

          Chiu S, Redelmeier DA, Tolomiczenko G, Kiss A, Hwang SW. J Epidemiol Community Health. 2009; 63(11):943-8. Epub 2009 Aug 3.

        • Characteristics of older adults hospitalized in acute psychiatric units in Ontario: a population-based study

          Seitz DP, Vigod SN, Lin E, Gruneir A, Newman A, Anderson G, Rapoport MJ, Rochon P, Blumberger DM, Herrmann N. Can J Psychiatry. 2012; 57(9):554-63.