CMAJ open

Validity of diagnoses of SARS-CoV-2 infection in Canadian administrative health data: a multiprovince, population-based cohort study.

Pub Date : 2023-09-05 DOI: 10.9778/cmajo.20220152 Lisa M Lix, Christel Renoux, Carolina Moriello, Ko Long Choi, Colin R Dormuth, Anat Fisher, Matthew Dahl, Fangyun Wu, Ayesha Asaf, J Michael Paterson

Trends in attachment to a primary care provider in Ontario, 2008-2018: an interrupted time-series analysis.

Pub Date : 2023-09-05 DOI: 10.9778/cmajo.20220167 Imaan Bayoumi, Richard H Glazier, Liisa Jaakkimainen, Kamila Premji, Tara Kiran, Eliot Frymire, Shahriar Khan, Michael E Green

Identifying clusters of coexisting conditions and outcomes among adults admitted to hospital with community-acquired pneumonia: a multicentre cohort study.

Pub Date : 2023-09-01 DOI: 10.9778/cmajo.20220193 Sarah L Malecki, Hae Young Jung, Anne Loffler, Mark A Green, Samir Gupta, Derek MacFadden, Nick Daneman, Ross Upshur, Michael Fralick, Lauren Lapointe-Shaw, Terence Tang, Adina Weinerman, Janice L Kwan, Jessica J Liu, Fahad Razak, Amol A Verma