Research
Open Access
People who make frequent emergency department visits based on persistence of frequent use in Ontario and Alberta: a retrospective cohort study
Jessica Moe, Elle (Yuequiao) Wang, Margaret J. McGregor, Michael J. Schull, Kathryn Dong, Brian R. Holroyd, Corinne M. Hohl, Eric Grafstein, Fiona O’Sullivan, Johanna Trimble and Kimberlyn M. McGrail
March 15, 2022 10 (1) E220-E231; DOI: https://doi.org/10.9778/cmajo.20210131
Jessica Moe
Department of Emergency Medicine (Moe, Wang, Hohl, O’Sullivan), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital; Department of Family Practice (McGregor), Department of Emergency Medicine (Grafstein), University of British Columbia, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Vancouver Coastal Health (Grafstein), Vancouver, BC; Providence Health Care (Grafstein), Vancouver, BC; Patients for Patient Safety Canada (Trimble), Ottawa, Ont.; School of Population and Public Health and Centre for Health Services and Policy Research (McGrail), University of British Columbia, Vancouver, BC
MD MScElle (Yuequiao) Wang
Department of Emergency Medicine (Moe, Wang, Hohl, O’Sullivan), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital; Department of Family Practice (McGregor), Department of Emergency Medicine (Grafstein), University of British Columbia, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Vancouver Coastal Health (Grafstein), Vancouver, BC; Providence Health Care (Grafstein), Vancouver, BC; Patients for Patient Safety Canada (Trimble), Ottawa, Ont.; School of Population and Public Health and Centre for Health Services and Policy Research (McGrail), University of British Columbia, Vancouver, BC
MScMargaret J. McGregor
Department of Emergency Medicine (Moe, Wang, Hohl, O’Sullivan), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital; Department of Family Practice (McGregor), Department of Emergency Medicine (Grafstein), University of British Columbia, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Vancouver Coastal Health (Grafstein), Vancouver, BC; Providence Health Care (Grafstein), Vancouver, BC; Patients for Patient Safety Canada (Trimble), Ottawa, Ont.; School of Population and Public Health and Centre for Health Services and Policy Research (McGrail), University of British Columbia, Vancouver, BC
MD MHScMichael J. Schull
Department of Emergency Medicine (Moe, Wang, Hohl, O’Sullivan), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital; Department of Family Practice (McGregor), Department of Emergency Medicine (Grafstein), University of British Columbia, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Vancouver Coastal Health (Grafstein), Vancouver, BC; Providence Health Care (Grafstein), Vancouver, BC; Patients for Patient Safety Canada (Trimble), Ottawa, Ont.; School of Population and Public Health and Centre for Health Services and Policy Research (McGrail), University of British Columbia, Vancouver, BC
MD MScKathryn Dong
Department of Emergency Medicine (Moe, Wang, Hohl, O’Sullivan), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital; Department of Family Practice (McGregor), Department of Emergency Medicine (Grafstein), University of British Columbia, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Vancouver Coastal Health (Grafstein), Vancouver, BC; Providence Health Care (Grafstein), Vancouver, BC; Patients for Patient Safety Canada (Trimble), Ottawa, Ont.; School of Population and Public Health and Centre for Health Services and Policy Research (McGrail), University of British Columbia, Vancouver, BC
MD MScBrian R. Holroyd
Department of Emergency Medicine (Moe, Wang, Hohl, O’Sullivan), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital; Department of Family Practice (McGregor), Department of Emergency Medicine (Grafstein), University of British Columbia, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Vancouver Coastal Health (Grafstein), Vancouver, BC; Providence Health Care (Grafstein), Vancouver, BC; Patients for Patient Safety Canada (Trimble), Ottawa, Ont.; School of Population and Public Health and Centre for Health Services and Policy Research (McGrail), University of British Columbia, Vancouver, BC
MD MBACorinne M. Hohl
Department of Emergency Medicine (Moe, Wang, Hohl, O’Sullivan), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital; Department of Family Practice (McGregor), Department of Emergency Medicine (Grafstein), University of British Columbia, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Vancouver Coastal Health (Grafstein), Vancouver, BC; Providence Health Care (Grafstein), Vancouver, BC; Patients for Patient Safety Canada (Trimble), Ottawa, Ont.; School of Population and Public Health and Centre for Health Services and Policy Research (McGrail), University of British Columbia, Vancouver, BC
MD MHScEric Grafstein
Department of Emergency Medicine (Moe, Wang, Hohl, O’Sullivan), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital; Department of Family Practice (McGregor), Department of Emergency Medicine (Grafstein), University of British Columbia, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Vancouver Coastal Health (Grafstein), Vancouver, BC; Providence Health Care (Grafstein), Vancouver, BC; Patients for Patient Safety Canada (Trimble), Ottawa, Ont.; School of Population and Public Health and Centre for Health Services and Policy Research (McGrail), University of British Columbia, Vancouver, BC
MDFiona O’Sullivan
Department of Emergency Medicine (Moe, Wang, Hohl, O’Sullivan), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital; Department of Family Practice (McGregor), Department of Emergency Medicine (Grafstein), University of British Columbia, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Vancouver Coastal Health (Grafstein), Vancouver, BC; Providence Health Care (Grafstein), Vancouver, BC; Patients for Patient Safety Canada (Trimble), Ottawa, Ont.; School of Population and Public Health and Centre for Health Services and Policy Research (McGrail), University of British Columbia, Vancouver, BC
PhDJohanna Trimble
Department of Emergency Medicine (Moe, Wang, Hohl, O’Sullivan), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital; Department of Family Practice (McGregor), Department of Emergency Medicine (Grafstein), University of British Columbia, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Vancouver Coastal Health (Grafstein), Vancouver, BC; Providence Health Care (Grafstein), Vancouver, BC; Patients for Patient Safety Canada (Trimble), Ottawa, Ont.; School of Population and Public Health and Centre for Health Services and Policy Research (McGrail), University of British Columbia, Vancouver, BC
Kimberlyn M. McGrail
Department of Emergency Medicine (Moe, Wang, Hohl, O’Sullivan), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital; Department of Family Practice (McGregor), Department of Emergency Medicine (Grafstein), University of British Columbia, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Vancouver Coastal Health (Grafstein), Vancouver, BC; Providence Health Care (Grafstein), Vancouver, BC; Patients for Patient Safety Canada (Trimble), Ottawa, Ont.; School of Population and Public Health and Centre for Health Services and Policy Research (McGrail), University of British Columbia, Vancouver, BC
PhD