Research
Open Access
Association between the COVID-19 pandemic and first cancer treatment modality: a population-based cohort study
Rui Fu, Rinku Sutradhar, Qing Li, Timothy P. Hanna, Kelvin K.W. Chan, Jonathan C. Irish, Natalie Coburn, Julie Hallet, Anna Dare, Simron Singh, Ambica Parmar, Craig C. Earle, Lauren Lapointe-Shaw, Monika K. Krzyzanowska, Antonio Finelli, Alexander V. Louie, Nicole J. Look Hong, Ian J. Witterick, Alyson Mahar, David R. Urbach, Daniel I. McIsaac, Danny Enepekides and Antoine Eskander
May 09, 2023 11 (3) E426-E433; DOI: https://doi.org/10.9778/cmajo.20220102
Rui Fu
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
PhDRinku Sutradhar
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
PhDQing Li
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MMathTimothy P. Hanna
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MD PhDKelvin K.W. Chan
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MD PhDJonathan C. Irish
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MD MScNatalie Coburn
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MD MPHJulie Hallet
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MD MScAnna Dare
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MBChB PhDSimron Singh
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MD MPHAmbica Parmar
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MD MScCraig C. Earle
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MD MScLauren Lapointe-Shaw
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MD PhDMonika K. Krzyzanowska
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MD MPHAntonio Finelli
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MD MScAlexander V. Louie
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MD PhDNicole J. Look Hong
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MD MScIan J. Witterick
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MD MScAlyson Mahar
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
PhDDavid R. Urbach
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MD MScDaniel I. McIsaac
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MD MPHDanny Enepekides
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
MD MPHAntoine Eskander
ICES (Fu, Sutradhar, Li, Coburn, Hallet, Dare, Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Urbach, McIsaac, Eskander); Institute of Health Policy, Management and Evaluation (Fu, Sutradhar, Chan, Irish, Coburn, Hallet, Dare, Singh, Lapointe-Shaw, Krzyzanowska, Finelli, Hong, Eskander) and Department of Otolaryngology — Head and Neck Surgery (Fu, Witterick, Enepekides, Eskander), University of Toronto, Toronto, Ont.; Division of Cancer Care and Epidemiology (Hanna), Cancer Research Institute, Queen’s University, Kingston, Ont.; Ontario Institute for Cancer Research (Hanna); Odette Cancer Centre (Chan, Hallet), Sunnybrook Health Sciences Centre; Ontario Health (Chan, Coburn, Witterick) — Cancer Care Ontario; Department of Otolaryngology — Head and Neck Surgery (Irish, Witterick), University of Toronto, Princess Margaret Cancer Centre; Department of Surgery (Coburn, Hallet, Dare, Finelli, Hong) and Department of Medicine (Singh, Parmar, Earle, Lapointe-Shaw, Krzyzanowska), University of Toronto; Department of Radiation Oncology (Louie), University of Toronto, Toronto, Ont.; Department of Community Health Sciences (Mahar), University of Manitoba, Winnipeg, Man.; Department of Surgery (Urbach), Women’s College Hospital, Toronto, Ont.; Department of Anesthesiology and Pain Medicine (McIsaac), The Ottawa Hospital, Ottawa, Ont.
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Association between the COVID-19 pandemic and first cancer treatment modality: a population-based cohort study
Rui Fu, Rinku Sutradhar, Qing Li, Timothy P. Hanna, Kelvin K.W. Chan, Jonathan C. Irish, Natalie Coburn, Julie Hallet, Anna Dare, Simron Singh, Ambica Parmar, Craig C. Earle, Lauren Lapointe-Shaw, Monika K. Krzyzanowska, Antonio Finelli, Alexander V. Louie, Nicole J. Look Hong, Ian J. Witterick, Alyson Mahar, David R. Urbach, Daniel I. McIsaac, Danny Enepekides, Antoine Eskander
May 2023, 11 (3) E426-E433; DOI: 10.9778/cmajo.20220102
Association between the COVID-19 pandemic and first cancer treatment modality: a population-based cohort study
Rui Fu, Rinku Sutradhar, Qing Li, Timothy P. Hanna, Kelvin K.W. Chan, Jonathan C. Irish, Natalie Coburn, Julie Hallet, Anna Dare, Simron Singh, Ambica Parmar, Craig C. Earle, Lauren Lapointe-Shaw, Monika K. Krzyzanowska, Antonio Finelli, Alexander V. Louie, Nicole J. Look Hong, Ian J. Witterick, Alyson Mahar, David R. Urbach, Daniel I. McIsaac, Danny Enepekides, Antoine Eskander
May 2023, 11 (3) E426-E433; DOI: 10.9778/cmajo.20220102
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