Research
Open Access
Derivation of the Falls Decision Rule to exclude intracranial bleeding without head CT in older adults who have fallen
Kerstin de Wit, Mathew Mercuri, Natasha Clayton, Éric Mercier, Judy Morris, Rebecca Jeanmonod, Debra Eagles, Catherine Varner, David Barbic, Ian M. Buchanan, Mariyam Ali, Yoan K. Kagoma, Ashkan Shoamanesh, Paul Engels, Sunjay Sharma, Andrew Worster, Shelley McLeod, Marcel Émond, Ian Stiell, Alexandra Papaioannou and Sameer Parpia; for the Network of Canadian Emergency Researchers
CMAJ December 04, 2023 195 (47) E1614-E1621; DOI: https://doi.org/10.1503/cmaj.230634
Kerstin de Wit
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
MBChB MDMathew Mercuri
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
PhDNatasha Clayton
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
CRA RAÉric Mercier
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
MD MScJudy Morris
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
MD MScRebecca Jeanmonod
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
MDDebra Eagles
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
MD MScCatherine Varner
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
MD MScDavid Barbic
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
MD MScIan M. Buchanan
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
MDMariyam Ali
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
MBBSYoan K. Kagoma
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
MDAshkan Shoamanesh
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
MDPaul Engels
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
MDSunjay Sharma
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
MD MScAndrew Worster
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
MD MScShelley McLeod
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
PhDMarcel Émond
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
MD MScIan Stiell
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
MD MScAlexandra Papaioannou
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
MD MScSameer Parpia
Department of Emergency Medicine (de Wit), Queen’s University, Kingston, Ont.; Division of Emergency Medicine, Department of Medicine (de Wit, Mercuri, Buchanan, Worster), McMaster University, Hamilton, Ont.; Department of Health Research Methods, Evidence, and Impact (de Wit, Parpia), McMaster University, Hamilton, Ont.; Dalla Lana School of Public Health (Mercuri), University of Toronto, Ont.; Emergency Department (Clayton), Hamilton Health Sciences; Department of Medicine (Clayton, Ali, Shoamanesh, Papaioannou, Parpia), McMaster University, Hamilton, Ont.; Centre de recherche du Centre hospitalier universitaire de Québec (Mercier) – Université Laval, Laval, Que.; VITAM – Centre de recherche en santé durable (Mercier, Émond), Québec, Que.; Department of Family Medicine and Emergency Medicine (Morris, Émond), Université de Montréal, Montréal, Que.; St. Luke’s University Health Network (Jeanmonod), Bethlehem, Penn.; Department of Emergency Medicine (Eagles, Stiell), Ottawa Hospital Research Institute; School of Epidemiology and Public Health (Eagles, Stiell), University of Ottawa, Ottawa, Ont.; Schwartz/Reisman Emergency Medicine Institute (Eagles), Sinai Health, Toronto, Ont.; Clinical Epidemiology Program (Varner, McLeod), Ottawa Hospital Research Institute, Ottawa, Ont.; Division of Emergency Medicine (Varner, McLeod), Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Barbic), University of British Columbia; Centre for Health Evaluation Outcome Sciences (Barbic), St. Paul’s Hospital, Vancouver, BC; Department of Medical Imaging (Kagoma) and of Surgery (Engels, Sharma), McMaster University, Hamilton, Ont.
PhD
Data supplements
Earn CPD Credits
This article is eligible for 1.0 Mainpro+ credits.
Did you read this article?
Note: The YES link above may not work in certain versions of Internet Explorer 8. If you are having difficulties with this link, please try another browser.
Related Articles
In this issue
Article tools
Respond to this article
Derivation of the Falls Decision Rule to exclude intracranial bleeding without head CT in older adults who have fallen
Kerstin de Wit, Mathew Mercuri, Natasha Clayton, Éric Mercier, Judy Morris, Rebecca Jeanmonod, Debra Eagles, Catherine Varner, David Barbic, Ian M. Buchanan, Mariyam Ali, Yoan K. Kagoma, Ashkan Shoamanesh, Paul Engels, Sunjay Sharma, Andrew Worster, Shelley McLeod, Marcel Émond, Ian Stiell, Alexandra Papaioannou, Sameer Parpia
CMAJ Dec 2023, 195 (47) E1614-E1621; DOI: 10.1503/cmaj.230634
Derivation of the Falls Decision Rule to exclude intracranial bleeding without head CT in older adults who have fallen
Kerstin de Wit, Mathew Mercuri, Natasha Clayton, Éric Mercier, Judy Morris, Rebecca Jeanmonod, Debra Eagles, Catherine Varner, David Barbic, Ian M. Buchanan, Mariyam Ali, Yoan K. Kagoma, Ashkan Shoamanesh, Paul Engels, Sunjay Sharma, Andrew Worster, Shelley McLeod, Marcel Émond, Ian Stiell, Alexandra Papaioannou, Sameer Parpia
CMAJ Dec 2023, 195 (47) E1614-E1621; DOI: 10.1503/cmaj.230634
Jump to section
Related Articles
Cited By...
- No citing articles found.
More in this TOC Section
Similar Articles
Collections
