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ICES Publications

At a Glance

At a Glance is a monthly e-newsletter highlighting key findings of recent ICES research. At a Glance was redesigned in April 2016 to better share our work visually through infographics, videos and news stories. Subscribe to At a Glance.

  • 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
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    • 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
  • August 2021

    Infographics
    • COVID-19 positivity rates, hospitalizations and mortality of adults with and without intellectual and developmental disabilities in Ontario, Canada
    • SARS-CoV-2 infection among maternal-infant dyads in Ontario, Canada
    • Acute care visits for assault and maltreatment before vs during the COVID-19 pandemic in Ontario, Canada
    ICES in the News
    • Comparison of medication prescribing before and after the COVID-19 pandemic among nursing home residents in Ontario, Canada
    • Sociodemographic changes in emergency department visits due to alcohol during COVID-19
    • COVID-19 in Ontario
    • Preterm birth and stillbirth rates during the COVID-19 pandemic: a population-based cohort study
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    • Association between dementia care programs in assisted living facilities and transitions to nursing homes in Ontario, Canada: a population-based cohort study
    • Impact of changes in opioid funding and clinical policies on rapid tapering of opioids in Ontario, Canada
    • Effect of smoke-free legislation on respiratory health services use in children with asthma: a population-based open cohort study in Ontario, Canada
    • High prevalence of comorbidities at diagnosis in immigrants with multiple sclerosis
    • Days alive and at home after hip fracture: a cross-sectional validation of a patient-centred outcome measure using routinely collected data
    • Early invasive coronary angiography and acute ischaemic heart failure outcomes
    • Regional variation in the potentially inappropriate first-line use of fluoroquinolones in Canada as a key to antibiotic stewardship? A drug utilization review study
    • Background rates of all-cause mortality, hospitalizations, and emergency department visits among nursing home residents in Ontario, Canada to inform COVID-19 vaccine safety
  • 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
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    • 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
  • June 2021

    Infographics
    • 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
  • May 2021

    Infographics
    • Variable impact of COVID-19 on urgent intervention in Ontario
    • Comparison of childhood asthma incidence in 3 neighbouring cities in southwestern Ontario: a 25‑year longitudinal cohort study
    • Suicide and self-harm in adult survivors of critical illness: population based cohort study
    • Delay of pregnancy among physicians vs nonphysicians
    ICES in the News
    • Individual and social determinants of SARS-CoV-2 testing and positivity in Ontario, Canada: a population-wide study
    • Perinatal outcomes during the COVID-19 pandemic in Ontario, Canada
    • COVID-19 in Ontario: Highlights for the week of May 2–8, 2021
    • Association between bariatric surgery and major adverse diabetes outcomes in patients with diabetes and obesity
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    • Risk factors for outbreaks of SARS-CoV-2 infection at retirement homes in Ontario, Canada: a population-level cohort study
    • The requirement for surgery and subsequent 30-day mortality in patients with COVID-19
    • Is coronavirus disease 2019 associated with indicators of long-term bladder dysfunction?
    • Sex differences in multimorbidity and polypharmacy trends: a repeated cross-sectional study of older adults in Ontario, Canada
    • Health care utilization in medically complex people living with HIV before and after admission to an HIV-specific community facility: a pre–post comparison study
    • Health care costs of rheumatoid arthritis: a longitudinal population study
    • Health care utilisation and costs associated with different treatment protocols for newly diagnosed childhood acute lymphoblastic leukaemia: a population-based study in Ontario, Canada
    • Derivation and validation of a two-variable index to predict 30-day outcomes following heart failure hospitalization
  • April 2021

    Infographics
    • Utilization rates of pancreatectomy, radical prostatectomy, and nephrectomy in New York, Ontario, and New South Wales, 2011 to 2018
    • Obstetric and perinatal health outcomes after pertussis vaccination during pregnancy in Ontario, Canada: a retrospective cohort study
    • Injury-related deaths in the Ontario provincial trauma system: a retrospective population-based cohort analysis
    • Impact of the COVID-19 pandemic on skin cancer diagnosis: a population-based study
    • Assessing the validity of administrative health data for the identification of children and youth with autism spectrum disorder in Ontario
    ICES in the News
    • Testing, infection and complication rates of COVID-19 among people with a recent history of homelessness in Ontario, Canada: a retrospective cohort study
    • Access to cancer surgery in a universal health care system during the COVID-19 pandemic
    • Association between antihypertensive medications and risk of skin cancer in people older than 65 years: a population-based study
    • COVID-19 in Ontario: Notable findings for the week of April 4-10, 2021
    • Long-term risk of hypertension after surgical repair of congenital heart disease in children
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    • Association of source country gender inequality with experiencing assault and poor mental health among young female immigrants to Ontario, Canada
    • Race and incarceration: the representation and characteristics of Black people in provincial correctional facilities in Ontario, Canada
    • Adverse event rates associated with oral anticoagulant treatment early versus later after hospital discharge in older adults: a retrospective population-based cohort study
    • Disability-free survival after major cardiac surgery: a population-based retrospective cohort study
    • Bariatric surgery and cardiovascular outcomes in patients with obesity and cardiovascular disease: a population-based retrospective cohort study
    • Looking beyond administrative health care data: the role of socioeconomic status in predicting future high-cost patients with mental health and addiction
    • Predictive performance of machine and statistical learning methods: Impact of data-generating processes on external validity in the "large N, small p" setting
    • Perforation and post-polypectomy bleeding complicating colonoscopy in a population-based screening program
  • March 2021

    Event
    • Thank you to everyone who attended our virtual research symposium!
    Infographics
    • Association between anesthesiologist volume and short-term outcomes in complex gastrointestinal cancer surgery
    • Access to cancer surgery in a universal health care system during the COVID-19 pandemic
    • Factors associated with waiting time to breast cancer diagnosis among symptomatic breast cancer patients: a population-based study from Ontario, Canada
    • Mental Health and Addictions System Performance in Ontario: 2021 Scorecard
    ICES in the News
    • Comparison of palliative care delivery in the last year of life between adults with terminal noncancer illness or cancer
    • Testing, infection and complication rates of COVID-19 among people with a recent history of homelessness in Ontario, Canada: a retrospective cohort study
    • Shifts in office and virtual primary care during the early COVID-19 pandemic in Ontario, Canada
    • COVID-19 in Ontario: Notable findings for the week of March 7-13, 2021
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    • Does housing improve health care utilization and costs? A longitudinal analysis of health administrative data linked to a cohort of individuals with a history of homelessness
    • Overall health care cost during the year following diagnosis of colorectal cancer stratified by history of colorectal evaluative procedures
    • Injury-related deaths in the Ontario provincial trauma system: a retrospective population-based cohort analysis
    • Concordance between high antibiotic prescribing and high opioid prescribing among primary care physicians: a cross-sectional study
    • Health care costs associated with chronic hepatitis C virus infection in Ontario, Canada: a retrospective cohort study
    • Rates of rebleeding, thrombosis and mortality associated with resumption of anticoagulant therapy after anticoagulant-related bleeding
    • Association between continuity of care and subsequent diagnosis of multimorbidity in Ontario, Canada from 2001-2015: a retrospective cohort study
    • A population-based cohort study of respiratory disease and long-term exposure to iron and copper in fine particulate air pollution and their combined impact on reactive oxygen species generation in human lungs
  • 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
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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
  • 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
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    • 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
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