Research
Open Access
Characteristics, treatment and delirium incidence of older adults hospitalized with COVID-19: a multicentre retrospective cohort study
Eric Kai-Chung Wong, Jennifer Watt, Hanyan Zou, Arthana Chandraraj, Alissa Wenyue Zhang, Jahnel Brookes, Ashley Verduyn, Anna Berall, Richard Norman, Katrina Lynn Piggott, Terumi Izukawa, Sharon E. Straus and Barbara Liu
July 26, 2022 10 (3) E692-E701; DOI: https://doi.org/10.9778/cmajo.20210176
Eric Kai-Chung Wong
Li Ka Shing Knowledge Institute (Wong, Watt, Chandraraj, Straus), and Division of Geriatric Medicine (Wong, Watt, Straus), Department of Medicine, St. Michael’s Hospital, Unity Health Toronto; Division of Geriatric Medicine (Wong, Watt, Norman, Piggott, Izukawa, Straus, Liu), Department of Medicine, University of Toronto; Division of Geriatric Medicine (Zou, Norman), Department of Medicine, Sinai Health and University Health Network; Division of Geriatric Medicine (Zhang, Piggott), Department of Medicine, Sunnybrook Health Sciences Centre; Kunin-Lunenfeld Centre for Applied Research & Evaluation (Brookes, Berall, Izukawa), Rotman Research Institute, Baycrest Health Sciences Centre; Providence Healthcare and Houses of Providence (Verduyn), Unity Health Toronto; Division of Geriatric Medicine (Izukawa), Department of Medicine, Baycrest Health Sciences Centre, Toronto, Ont.
MDJennifer Watt
Li Ka Shing Knowledge Institute (Wong, Watt, Chandraraj, Straus), and Division of Geriatric Medicine (Wong, Watt, Straus), Department of Medicine, St. Michael’s Hospital, Unity Health Toronto; Division of Geriatric Medicine (Wong, Watt, Norman, Piggott, Izukawa, Straus, Liu), Department of Medicine, University of Toronto; Division of Geriatric Medicine (Zou, Norman), Department of Medicine, Sinai Health and University Health Network; Division of Geriatric Medicine (Zhang, Piggott), Department of Medicine, Sunnybrook Health Sciences Centre; Kunin-Lunenfeld Centre for Applied Research & Evaluation (Brookes, Berall, Izukawa), Rotman Research Institute, Baycrest Health Sciences Centre; Providence Healthcare and Houses of Providence (Verduyn), Unity Health Toronto; Division of Geriatric Medicine (Izukawa), Department of Medicine, Baycrest Health Sciences Centre, Toronto, Ont.
MD PhDHanyan Zou
Li Ka Shing Knowledge Institute (Wong, Watt, Chandraraj, Straus), and Division of Geriatric Medicine (Wong, Watt, Straus), Department of Medicine, St. Michael’s Hospital, Unity Health Toronto; Division of Geriatric Medicine (Wong, Watt, Norman, Piggott, Izukawa, Straus, Liu), Department of Medicine, University of Toronto; Division of Geriatric Medicine (Zou, Norman), Department of Medicine, Sinai Health and University Health Network; Division of Geriatric Medicine (Zhang, Piggott), Department of Medicine, Sunnybrook Health Sciences Centre; Kunin-Lunenfeld Centre for Applied Research & Evaluation (Brookes, Berall, Izukawa), Rotman Research Institute, Baycrest Health Sciences Centre; Providence Healthcare and Houses of Providence (Verduyn), Unity Health Toronto; Division of Geriatric Medicine (Izukawa), Department of Medicine, Baycrest Health Sciences Centre, Toronto, Ont.
BScArthana Chandraraj
Li Ka Shing Knowledge Institute (Wong, Watt, Chandraraj, Straus), and Division of Geriatric Medicine (Wong, Watt, Straus), Department of Medicine, St. Michael’s Hospital, Unity Health Toronto; Division of Geriatric Medicine (Wong, Watt, Norman, Piggott, Izukawa, Straus, Liu), Department of Medicine, University of Toronto; Division of Geriatric Medicine (Zou, Norman), Department of Medicine, Sinai Health and University Health Network; Division of Geriatric Medicine (Zhang, Piggott), Department of Medicine, Sunnybrook Health Sciences Centre; Kunin-Lunenfeld Centre for Applied Research & Evaluation (Brookes, Berall, Izukawa), Rotman Research Institute, Baycrest Health Sciences Centre; Providence Healthcare and Houses of Providence (Verduyn), Unity Health Toronto; Division of Geriatric Medicine (Izukawa), Department of Medicine, Baycrest Health Sciences Centre, Toronto, Ont.
BScAlissa Wenyue Zhang
Li Ka Shing Knowledge Institute (Wong, Watt, Chandraraj, Straus), and Division of Geriatric Medicine (Wong, Watt, Straus), Department of Medicine, St. Michael’s Hospital, Unity Health Toronto; Division of Geriatric Medicine (Wong, Watt, Norman, Piggott, Izukawa, Straus, Liu), Department of Medicine, University of Toronto; Division of Geriatric Medicine (Zou, Norman), Department of Medicine, Sinai Health and University Health Network; Division of Geriatric Medicine (Zhang, Piggott), Department of Medicine, Sunnybrook Health Sciences Centre; Kunin-Lunenfeld Centre for Applied Research & Evaluation (Brookes, Berall, Izukawa), Rotman Research Institute, Baycrest Health Sciences Centre; Providence Healthcare and Houses of Providence (Verduyn), Unity Health Toronto; Division of Geriatric Medicine (Izukawa), Department of Medicine, Baycrest Health Sciences Centre, Toronto, Ont.
BScJahnel Brookes
Li Ka Shing Knowledge Institute (Wong, Watt, Chandraraj, Straus), and Division of Geriatric Medicine (Wong, Watt, Straus), Department of Medicine, St. Michael’s Hospital, Unity Health Toronto; Division of Geriatric Medicine (Wong, Watt, Norman, Piggott, Izukawa, Straus, Liu), Department of Medicine, University of Toronto; Division of Geriatric Medicine (Zou, Norman), Department of Medicine, Sinai Health and University Health Network; Division of Geriatric Medicine (Zhang, Piggott), Department of Medicine, Sunnybrook Health Sciences Centre; Kunin-Lunenfeld Centre for Applied Research & Evaluation (Brookes, Berall, Izukawa), Rotman Research Institute, Baycrest Health Sciences Centre; Providence Healthcare and Houses of Providence (Verduyn), Unity Health Toronto; Division of Geriatric Medicine (Izukawa), Department of Medicine, Baycrest Health Sciences Centre, Toronto, Ont.
HBScAshley Verduyn
Li Ka Shing Knowledge Institute (Wong, Watt, Chandraraj, Straus), and Division of Geriatric Medicine (Wong, Watt, Straus), Department of Medicine, St. Michael’s Hospital, Unity Health Toronto; Division of Geriatric Medicine (Wong, Watt, Norman, Piggott, Izukawa, Straus, Liu), Department of Medicine, University of Toronto; Division of Geriatric Medicine (Zou, Norman), Department of Medicine, Sinai Health and University Health Network; Division of Geriatric Medicine (Zhang, Piggott), Department of Medicine, Sunnybrook Health Sciences Centre; Kunin-Lunenfeld Centre for Applied Research & Evaluation (Brookes, Berall, Izukawa), Rotman Research Institute, Baycrest Health Sciences Centre; Providence Healthcare and Houses of Providence (Verduyn), Unity Health Toronto; Division of Geriatric Medicine (Izukawa), Department of Medicine, Baycrest Health Sciences Centre, Toronto, Ont.
MDAnna Berall
Li Ka Shing Knowledge Institute (Wong, Watt, Chandraraj, Straus), and Division of Geriatric Medicine (Wong, Watt, Straus), Department of Medicine, St. Michael’s Hospital, Unity Health Toronto; Division of Geriatric Medicine (Wong, Watt, Norman, Piggott, Izukawa, Straus, Liu), Department of Medicine, University of Toronto; Division of Geriatric Medicine (Zou, Norman), Department of Medicine, Sinai Health and University Health Network; Division of Geriatric Medicine (Zhang, Piggott), Department of Medicine, Sunnybrook Health Sciences Centre; Kunin-Lunenfeld Centre for Applied Research & Evaluation (Brookes, Berall, Izukawa), Rotman Research Institute, Baycrest Health Sciences Centre; Providence Healthcare and Houses of Providence (Verduyn), Unity Health Toronto; Division of Geriatric Medicine (Izukawa), Department of Medicine, Baycrest Health Sciences Centre, Toronto, Ont.
RNRichard Norman
Li Ka Shing Knowledge Institute (Wong, Watt, Chandraraj, Straus), and Division of Geriatric Medicine (Wong, Watt, Straus), Department of Medicine, St. Michael’s Hospital, Unity Health Toronto; Division of Geriatric Medicine (Wong, Watt, Norman, Piggott, Izukawa, Straus, Liu), Department of Medicine, University of Toronto; Division of Geriatric Medicine (Zou, Norman), Department of Medicine, Sinai Health and University Health Network; Division of Geriatric Medicine (Zhang, Piggott), Department of Medicine, Sunnybrook Health Sciences Centre; Kunin-Lunenfeld Centre for Applied Research & Evaluation (Brookes, Berall, Izukawa), Rotman Research Institute, Baycrest Health Sciences Centre; Providence Healthcare and Houses of Providence (Verduyn), Unity Health Toronto; Division of Geriatric Medicine (Izukawa), Department of Medicine, Baycrest Health Sciences Centre, Toronto, Ont.
MD MSc(QIPS)Katrina Lynn Piggott
Li Ka Shing Knowledge Institute (Wong, Watt, Chandraraj, Straus), and Division of Geriatric Medicine (Wong, Watt, Straus), Department of Medicine, St. Michael’s Hospital, Unity Health Toronto; Division of Geriatric Medicine (Wong, Watt, Norman, Piggott, Izukawa, Straus, Liu), Department of Medicine, University of Toronto; Division of Geriatric Medicine (Zou, Norman), Department of Medicine, Sinai Health and University Health Network; Division of Geriatric Medicine (Zhang, Piggott), Department of Medicine, Sunnybrook Health Sciences Centre; Kunin-Lunenfeld Centre for Applied Research & Evaluation (Brookes, Berall, Izukawa), Rotman Research Institute, Baycrest Health Sciences Centre; Providence Healthcare and Houses of Providence (Verduyn), Unity Health Toronto; Division of Geriatric Medicine (Izukawa), Department of Medicine, Baycrest Health Sciences Centre, Toronto, Ont.
MD MSc(QIPS)Terumi Izukawa
Li Ka Shing Knowledge Institute (Wong, Watt, Chandraraj, Straus), and Division of Geriatric Medicine (Wong, Watt, Straus), Department of Medicine, St. Michael’s Hospital, Unity Health Toronto; Division of Geriatric Medicine (Wong, Watt, Norman, Piggott, Izukawa, Straus, Liu), Department of Medicine, University of Toronto; Division of Geriatric Medicine (Zou, Norman), Department of Medicine, Sinai Health and University Health Network; Division of Geriatric Medicine (Zhang, Piggott), Department of Medicine, Sunnybrook Health Sciences Centre; Kunin-Lunenfeld Centre for Applied Research & Evaluation (Brookes, Berall, Izukawa), Rotman Research Institute, Baycrest Health Sciences Centre; Providence Healthcare and Houses of Providence (Verduyn), Unity Health Toronto; Division of Geriatric Medicine (Izukawa), Department of Medicine, Baycrest Health Sciences Centre, Toronto, Ont.
MDSharon E. Straus
Li Ka Shing Knowledge Institute (Wong, Watt, Chandraraj, Straus), and Division of Geriatric Medicine (Wong, Watt, Straus), Department of Medicine, St. Michael’s Hospital, Unity Health Toronto; Division of Geriatric Medicine (Wong, Watt, Norman, Piggott, Izukawa, Straus, Liu), Department of Medicine, University of Toronto; Division of Geriatric Medicine (Zou, Norman), Department of Medicine, Sinai Health and University Health Network; Division of Geriatric Medicine (Zhang, Piggott), Department of Medicine, Sunnybrook Health Sciences Centre; Kunin-Lunenfeld Centre for Applied Research & Evaluation (Brookes, Berall, Izukawa), Rotman Research Institute, Baycrest Health Sciences Centre; Providence Healthcare and Houses of Providence (Verduyn), Unity Health Toronto; Division of Geriatric Medicine (Izukawa), Department of Medicine, Baycrest Health Sciences Centre, Toronto, Ont.
MD MScBarbara Liu
Li Ka Shing Knowledge Institute (Wong, Watt, Chandraraj, Straus), and Division of Geriatric Medicine (Wong, Watt, Straus), Department of Medicine, St. Michael’s Hospital, Unity Health Toronto; Division of Geriatric Medicine (Wong, Watt, Norman, Piggott, Izukawa, Straus, Liu), Department of Medicine, University of Toronto; Division of Geriatric Medicine (Zou, Norman), Department of Medicine, Sinai Health and University Health Network; Division of Geriatric Medicine (Zhang, Piggott), Department of Medicine, Sunnybrook Health Sciences Centre; Kunin-Lunenfeld Centre for Applied Research & Evaluation (Brookes, Berall, Izukawa), Rotman Research Institute, Baycrest Health Sciences Centre; Providence Healthcare and Houses of Providence (Verduyn), Unity Health Toronto; Division of Geriatric Medicine (Izukawa), Department of Medicine, Baycrest Health Sciences Centre, Toronto, Ont.
MD