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Atlases & Reports

Mental Health and Addictions System Performance in Ontario: 2021 Scorecard

MHAP Research Team. February 2021

This scorecard presents key findings on across-the-lifespan mental health and addictions care and related outcomes in Ontario from 2009 to 2017. It is an update to scorecards produced in 2015, 2017 and 2018.

COVID-19 in Immigrants, Refugees and Other Newcomers in Ontario: Characteristics of Those Tested and Those Confirmed Positive, as of June 13, 2020

Guttmann A, Gandhi S, Wanigaratne S, Lu H, Ferreira-Legere LE, Paul J, Gozdyra P, Campbell T, Chung H, Fung K, Chen B, Kwong JC, Rosella L, Shah BR, Saunders N, Paterson JM, Bronskill SE, Azimaee M, Vermeulen MJ, Schull MJ. September 2020.

This report focuses on patterns of testing and test results for immigrants and refugees from the initial phases of COVID-19 testing through to June 13, 2020.

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Journal Articles

Hospital-level variation in ticagrelor use in patients with acute coronary syndrome

Ozaki AF, Jackevicius CA, Chong A, Sud M, Fang J, Austin PC, Ko DT. J Am Heart Assoc. 2022; Jun 29 [Epub ahead of print]. DOI:

Hemorrhage risk among patients with breast cancer receiving concurrent direct oral anticoagulants with tamoxifen vs aromatase inhibitors

Wang TF, Clarke AE, Awan AA, Tanuseputro P, Carrier M, Sood MM. JAMA Netw Open. 2022; 5(6):e2219128. Epub 2022 Jun 28. DOI:

Estimating population-based incidence of community-acquired pneumonia and acute otitis media in children and adults in Ontario and British Columbia using health administrative data, 2005-2018: a Canadian Immunisation Research Network (CIRN) study

Nasreen S, Wang J, Sadarangani M, Kwong JC, Quach C, Crowcroft NS, Wilson SE, McGeer A, Morris SK, Kellner JD, Sander B, Kus JV, Hoang L, Marra F, Fadel SA. BMJ Open Respir Res. 2022; 9(1):e001218. Epub 2022 Jun 28. DOI:

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At a Glance

May 2022

  • Categorization of opioid use among pregnant people and association with overdose or death
  • Association of late preterm birth and size for gestational age with cardiometabolic risk in childhood
  • The risk of death or unplanned readmission after discharge from a COVID-19 hospitalization in Alberta and Ontario
  • Vaccine effectiveness against SARS-CoV-2 infection and severe outcomes among individuals with immune-mediated inflammatory diseases tested between March 1 and Nov 22, 2021, in Ontario, Canada: a population-based analysis

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