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Publication Results (677)

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  • December 2017

    Infographics
    • 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
  • Increased use of low anterior resection for veterans with rectal cancer

    Abraham NS, Davila JA, Rabeneck L, Berger DH, El-Serag HB. Aliment Pharmacol Ther. 2005; 21(1):35-41.

  • Surgeon specialty and operative mortality with lung resection

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

  • Proliferation of cardiac technology in Canada: a challenge to the sustainability of Medicare

    Alter DA, Stukel TA, Newman A. Circulation. 2006; 113(3):380-7.

  • Practice patterns in the care of acute Achilles tendon ruptures: Is there an association with level I evidence?

    Sheth U, Wasserstein D, Jenkinson R, Moineddin R, Kreder H, Jaglal S. Bone Joint J. 2017; 99-B(12):1629-36. Epub 2017 Dec 6.

  • 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.

  • Is being diagnosed at a dedicated breast assessment unit associated with a reduction in the time to diagnosis for symptomatic breast cancer patients?

    Jiang L, Gilbert J, Langley H, Moineddin R, Groome PA. Eur J Cancer Care (Engl). 2018; 27(4):e12864. Epub 2018 Jun 5.

  • Exclusion of patients with sequential primary total joint arthroplasties from arthroplasty outcome studies biases outcome estimates: a retrospective cohort study

    Ravi B, Croxford R, Hawker G. Osteoarthritis Cartilage. 2013; 21(12):1841-8. Epub 2013 Sep 24.

  • Introduction of surgical safety checklists in Ontario, Canada

    Urbach DR, Govindarajan A, Saskin R, Wilton AS, Baxter NN. N Engl J Med. 2014; 370(11):1029-38. Epub 2014 Mar 13.

  • Adherence to guideline-recommended process measures for squamous cell carcinoma of the head and neck in Ontario: impact of surgeon and hospital volume

    Eskander A, Monteiro E, Irish J, Gullane P, Gilbert R, de Almeida J, Brown D, Freeman J, Urbach DR, Goldstein DP. Head Neck. 2016; 38(Suppl 1):E1987-92. Epub 2016 Feb 1.

  • 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.

  • 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.

  • Direct health-care costs for children diagnosed with genetic diseases are significantly higher than for children with other chronic diseases

    Marshall DA, Benchimol EI, MacKenzie A, Duque DR, MacDonald KV, Hartley T, Howley H, Hamilton A, Gillespie M, Malam F, Boycott KM. Genet Med. 2019; 21(5):1049-57. Epub 2018 Sep 24.
  • Current use of domperidone and co prescribing of medications that increase its arrhythmogenic potential among older adults: a population-based cohort study in Ontario, Canada.

    Rojas-Fernandez C, Stephenson AL, Fischer HD, Wang X, Mestre T, Hutson JR, Pondal M, Lee DS, Rochon PA, Marras C. Drugs Aging. 2014; 31(11):805-13. Epub 2014 Sep 17.

  • Derivation and validation of a generalizable preoperative frailty index using population-based health administrative data

    McIsaac DI, Wong CA, Huang A, Moloo H, van Walraven C. Ann Surg. 2019; 270(1):102-8. Epub 2018 Apr 18.

  • 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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    • 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
  • Rivaroxaban vs. low molecular weight heparin for the prevention of venous thromboembolism after hip or knee arthroplasty: a cohort study

    Lazo-Langner A, Fleet JL, McArthur E, Garg AX. J Thromb Haemost. 2014; 12(10):1626-35. Epub 2014 Jul 28.

  • Outcomes of operative and nonoperative treatment of thoracic empyema: a population based study

    Nayak R, Brogly SB, Lajkosz K, Lougheed MD, Petsikas D. Ann Thorac Surg. 2019; 108(5):1456-63. Epub 2019 Jul 26. DOI: https://doi.org/10.1016/j.athoracsur.2019.05.090.

  • November 2019

    Infographics
    • 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
  • 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.

  • Association of tympanostomy tubes with future assistive hearing devices—a population based study

    Beyea JA, Cooke B, Rosen E, Nguyen P. BMC Pediatr. 2020; 20(1):76. Epub 2020 Feb 18. DOI: https://doi.org/10.1186/s12887-020-1977-6

  • Trends in survival based on treatment modality in patients with pancreatic cancer: a population-based study

    Shakeel S, Finley C, Akhtar-Danesh G, Seow H, Akhtar-Danesh N. Curr Oncol. 2020; 27(1):e1–8. Epub 2020 Feb 1. DOI: http://dx.doi.org/10.3747/co.27.5211

  • Fractionation in adjuvant radiotherapy for invasive breast cancer and ductal carcinoma in situ in Ontario, Canada from 2009 to 2015

    Chan S, Sutradhar R, Yao Z, Chow E, Lee J, Wan BA, Paszat L. Breast J. 2020; 26(4):602-16. Epub 2019 Sep 12. DOI: 10.1111/tbj.13515.

  • August 2020

    Infographics
    • Death and long-term disability after gun injury: a cohort analysis
    • Patient-level characteristics and inequitable access to inpatient electroconvulsive therapy for depression: a population-based cross-sectional study
    • Trends in the medical use of synthetic cannabinoids among older adults in Ontario, Canada
    ICES in the News
    • COVID-19 Laboratory Testing in Ontario: Patterns of Testing and Characteristics of Individuals Tested, as of April 30, 2020
    • Clinical effectiveness of cardiac noninvasive diagnostic testing in outpatients evaluated for stable coronary artery disease
    • Maternal cannabis use in pregnancy and child neurodevelopmental outcomes
    You may also be interested in...
    • Sex- and age-specific differences in COVID-19 testing, cases and outcomes: a population-wide study in Ontario, Canada
    • Direct and indirect pathways between low-income status and becoming a high-cost healthcare user in Ontario, Canada: a mediation analysis of health risk behaviors
    • Quality of antenatal care for women who experience imprisonment in Ontario, Canada
    • Persistent socioeconomic inequalities in location of death and receipt of palliative care: a population-based cohort study
    • Material deprivation and access to cancer care in a universal health care system
    • Receipt of routine preventive care among infant daughters and sons of immigrant mothers in Ontario, Canada: a retrospective cohort study
    • Population trends in lobular carcinoma of the breast: the Ontario experience
    • Severe nutritional complications after bariatric surgery in Ontario adults: a population-based descriptive study
    • Health care use and costs of children, adolescents, and young adults with somatic symptom and related disorders
  • Diagnosis and treatment of childhood Intussusception from 1997 to 2016: a population-based study

    Kolar M, Pilkington M, Winthrop A, Theivendram A, Lajkosz K, Brogly SB. J Pediatr Surg. 2020; 55(8):1562-9. Epub 2020 Feb 12.

  • November 2020

    Infographics
    • Life expectancy and health-adjusted life expectancy in people with inflammatory bowel disease
    • Utilisation and outcomes of allogeneic hematopoietic cell transplantation in Ontario, Canada, and New York State, USA: a population-based retrospective cohort study
    • Patient-centered time-at-home outcomes in older adults after surgical cancer treatment
    ICES in the News
    • COVID-19 in Ontario: Notable findings for the week of November 1-7, 2020
    • Prenatal hepatitis B screening, and hepatitis B burden among children, in Ontario: a descriptive study
    • Association between adherence to fractional flow reserve treatment thresholds and major adverse cardiac events in patients with coronary artery disease
    You may also be interested in...
    • Incidental detection, imaging modalities and temporal trends of differentiated thyroid cancer in Ontario: a population-based retrospective cohort
    • The associations between direct and delayed critical care unit admission with mortality and readmissions among patients with heart failure
    • Increasing wait-time mortality for severe aortic stenosis: a population-level study of the transition in practice from surgical aortic valve replacement to transcatheter aortic valve replacement
    • Declining use of red blood cell transfusions for gastrointestinal cancer surgery: a population-based analysis
    • Regional health care services and rates of lower extremity amputation related to diabetes and peripheral artery disease: an ecological study
    • Use of cardiac noninvasive testing after emergency department discharge: association of hospital network testing intensity and outcomes in Ontario, Canada
    • Comorbidities before and after the diagnosis of rheumatoid arthritis: a matched longitudinal study
    • Coexistence of clinically significant obstructive sleep apnea with physician-diagnosed asthma or chronic obstructive pulmonary disease: a population study of prevalence and mortality
  • December 2020

    Infographics
    • Mortality among patients with frequent emergency department use for alcohol-related reasons in Ontario: a population-based cohort study
    • Association between ABO and Rh blood groups and SARS-CoV-2 infection or severe COVID-19 illness: a population-based cohort study
    • Diagnostic testing in long-term care and resident emergency department visits: a retrospective cohort study
    ICES in the News
    • COVID-19 in Ontario
    • Life expectancy and health-adjusted life expectancy in people with inflammatory bowel disease
    You may also be interested in...
    • Association between neuraxial anaesthesia or general anaesthesia for lower limb revascularisation surgery in adults and clinical outcomes: population based comparative effectiveness study
    • Economic burden of epilepsy in children: a population-based matched cohort study in Canada
    • Combined associations of work and leisure time physical activity on incident diabetes risk
    • Mental health and addictions system performance in Ontario: an updated scorecard, 2009-2017
    • Higher-dose sitagliptin and the risk of congestive heart failure in older adults with CKD
    • Feminization of the rheumatology workforce: a longitudinal evaluation of patient volumes, practice sizes and physician remuneration
    • The LENT index predicts 30 day outcomes following hospitalization for heart failure
    • Sex-specific temporal trends in ambulatory heart failure incidence, mortality and hospitalisation in Ontario, Canada from 1994 to 2013: a population-based cohort study
  • January 2021

    Event
    • ICES Winter Forum
    Infographics
    • Testing, infection and complication rates of COVID-19 among people with a recent history of homelessness in Ontario, Canada: a retrospective cohort study
    • Impact of geography on care delivery and survival for noncurable pancreatic adenocarcinoma: a population-based analysis
    • Patient-reported symptom burden as a predictor of emergency department use and unplanned hospitalization in head and neck cancer: a longitudinal population-based study
    ICES in the News
    • A health care system besieged by COVID?
    • COVID-19 in Ontario
    You may also be interested in...
    • Medication use and its impact on high-cost health care users among older adults: protocol for the population-based matched cohort HiCOSTT study
    • Quality and safety in long-term care in Ontario: the impact of language discordance
    • Over half of seniors who start oral bisphosphonate therapy are exposed for 3 or more years: novel rolling window approach and patterns of use
    • Statin exposure and risk of heart failure after anthracycline- or trastuzumab-based chemotherapy for early breast cancer: a propensity score-matched cohort study
    • Access to bariatric surgery among older patients in a publicly funded regionalized care system
    • Mental health services provision in primary care and emergency department settings: analysis of blended fee-for-service and blended capitation models in Ontario, Canada
    • Correlates of non-adherence to breast, cervical, and colorectal cancer screening among screen-eligible women: a population-based cohort study in Ontario, Canada
    • Effect of socio-demographic and health factors on the association between multimorbidity and acute care service use: population-based survey linked to health administrative data
  • Identifying children and youth with autism spectrum disorder in electronic medical records: examining health system utilization and comorbidities

    Brooks JD, Bronskill SE, Fu L, Saxena FE, Arneja J, Pinzaru VB, Anagnostou E, Nylen K, McLaughlin J, Tu K. Autism Res. 2021; 14(2):400-10. Epub 2020 Oct 24. DOI: https://doi.org/10.1002/aur.2419

  • February 2021

    Infographics
    • 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
    You may also be interested in...
    • 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
  • Reoperation cascade in postmastectomy breast reconstruction and its associated factors: results from a long‐term population‐based study

    Roberts A, Baxter NN, Sutradhar R, Lau C, Zhong T. J Surg Oncol. 2020; 122(7):1300-6. Epub 2020 Sep 15. DOI: https://doi.org/10.1002/jso.26166

  • Assessing the validity of administrative health data for the identification of children and youth with autism spectrum disorder in Ontario

    Brooks JD, Arneja J, Fu L, Saxena FE, Tu K, Pinzaru VB, Anagnostou E, Nylen K, Saunders NR, Lu H, McLaughlin J, Bronskill SE. Autism Res. 2021; 14(5):1037-45. Epub 2021 Mar 10. DOI: https://doi.org/10.1002/aur.2491

  • July 2021

    Infographics
    • Surgery and the subtype of inflammatory bowel disease impact the risk of venous thromboembolism after hospital discharge
    • Primary care provider and child characteristics associated with age of diagnosis of autism spectrum disorder: a population-based cohort study
    • Risk of serious medical events in patients with depression treated with electroconvulsive therapy: a propensity score-matched, retrospective cohort study
    ICES in the News
    • Development and validation of a predictive algorithm for risk of dementia in the community setting
    • Predicting death in home care users: derivation and validation of the Risk Evaluation for Support: Predictions for Elder-Life in the Community Tool (RESPECT)
    • Prevalence of winter migration to warmer destinations among Ontarians (“snowbirds”) and patterns of their use of health care services: a population-based analysis
    • COVID-19 in Ontario: Highlights for the week of July 4-10, 2021
    • Effectiveness of COVID-19 vaccines against variants of concern, Canada
    You may also be interested in...
    • Measuring the impact of the COVID-19 pandemic on organized cancer screening and diagnostic follow-up care in Ontario, Canada: a provincial, population-based study
    • Effect of a health system payment and quality improvement programme for tonsillectomy in Ontario, Canada: an interrupted time series analysis
    • Depression-related weight change and incident diabetes in a community sample
    • Health services use by children identified as heterozygous hemoglobinopathy mutation carriers via newborn screening
    • Characteristics and outcomes of women developing heart failure after early stage breast cancer chemotherapy: a population-based matched cohort study
    • Childhood seizures after prenatal exposure to maternal influenza infection: a population-based cohort study from Norway, Australia and Canada
    • Specialist care in individuals with asthma who required hospitalization: a retrospective population-based study
    • NAFLD and alcohol-related liver disease will be responsible for almost all new diagnoses of cirrhosis in Canada by 2040
  • September 2021

    Infographics
    • Understanding COVID-19 risk in patients with immune mediated inflammatory diseases: a population-based analysis of SARS-CoV-2 testing
    • Outcomes and healthcare resource utilization in adult congenital heart disease patients with heart failure
    • Opioid use after outpatient elective general surgery: quantifying the burden of persistent use
    ICES in the News
    • Risk of cancer-specific death for patients diagnosed with neuroendocrine tumors: a population-based analysis
    • COVID-19 positivity rates, hospitalizations and mortality of adults with and without intellectual and developmental disabilities in Ontario, Canada
    • COVID-19 testing and percent positivity in Ontario
    • Comparison of 4-year health care expenditures associated with roux-en-y gastric bypass vs sleeve gastrectomy
    • Prediction of risk of prolonged post-concussion symptoms: Derivation and validation of the TRICORDRR (Toronto Rehabilitation Institute Concussion Outcome Determination and Rehab Recommendations) score
    You may also be interested in...
    • Incidence of chronic immune-mediated inflammatory diseases after diagnosis with Kawasaki disease: a population-based cohort study
    • Association of surgical experience with risk of complication in total hip arthroplasty among patients with severe obesity
    • Incidence, predictors and patterns of care of patients with very severe hypertriglyceridemia in Ontario, Canada: a population-based cohort study
    • Renin-angiotensin-aldosterone system inhibitors and major cardiovascular events and acute kidney injury in patients with coronary artery disease
    • International comparison of spending and utilization at the end of life for hip fracture patients
    • Risk of acute kidney injury after hypertensive disorders of pregnancy: a population-based cohort study
    • Health services utilization prior to amyotrophic lateral sclerosis diagnosis: a province-wide study of individuals treated with riluzole in Ontario, Canada
    • The impact of language on emergency department visits, hospitalizations, and length of stay among home care recipients
  • Association of innovations in radiotherapy and systemic treatments with clinical outcomes in patients with melanoma brain metastasis from 2007 to 2016

    Brastianos HC, Nguyen P, Sahgal A, Eisenhauer EA, Baetz T, Hanna TP. JAMA Netw Open. 2020; 3(7):e208204. Epub 2020 Jul 6. DOI: https://doi.org/10.1001/jamanetworkopen.2020.8204

  • Has laparoscopic cholecystectomy changed patterns of practice and patient outcome in Ontario?

    Cohen MM, Young W, Theriault ME, Hernandez R. CMAJ. 1996; 154(4):491-500.

  • Development of a measure of physical function for patients with bone and soft tissue sarcoma

    Davis AM, Wright JG, Williams JI, Bombardier C, Griffin A, Bell RS. Qual Life Res. 1996; 5(5):508-16.

  • A population-based study of ambulatory and surgical services provided by orthopaedic surgeons for musculoskeletal conditions

    Canizares M, MacKay C, Davis AM, Mahomed N, Badley EM. BMC Health Serv Res. 2009; 9:56.

  • Effect of age on stroke prevention therapy in patients with atrial fibrillation

    van Walraven C, Hart RG, Connolly S, Austin PC, Mant J, Hobbs FD, Koudstaal PJ, Petersen P, Perez-Gomez F, Knottnerus JA, Boode B, Ezekowitz MD, Singer DE. Stroke. 2009; 40(4):1410-6. Epub 2009 Jan 29.

  • Association between extent of axillary lymph node dissection and patient, tumor, surgeon, and hospital factors in patients with early breast cancer

    Petrik DW, McCready DR, Sawka CA, Goel V. J Surg Oncol. 2003; 82(2):84-90.

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