The risk of death or unplanned readmission after discharge from a COVID-19 hospitalization in Alberta and Ontario.

Adult Alberta / epidemiology COVID-19 / epidemiology Comorbidity Emergency Service, Hospital Hospitalization Humans Length of Stay Ontario / epidemiology Patient Discharge Patient Readmission Retrospective Studies Risk Factors SARS-CoV-2

Journal

CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne
ISSN: 1488-2329
Titre abrégé: CMAJ
Pays: Canada
ID NLM: 9711805

Informations de publication

Date de publication:
16 05 2022
Historique:
accepted: 20 04 2022
entrez: 16 5 2022
pubmed: 17 5 2022
medline: 20 5 2022
Statut: ppublish

Résumé

The frequency of readmissions after COVID-19 hospitalizations is uncertain, as is whether current readmission prediction equations are useful for discharge risk stratification of COVID-19 survivors or for comparing among hospitals. We sought to determine the frequency and predictors of death or unplanned readmission after a COVID-19 hospital discharge. We conducted a retrospective cohort study of all adults (≥ 18 yr) who were discharged alive from hospital after a nonpsychiatric, nonobstetric, acute care admission for COVID-19 between Jan. 1, 2020, and Sept. 30, 2021, in Alberta and Ontario. Of 843 737 individuals who tested positive for SARS-CoV-2 by reverse transcription polymerase chain reaction during the study period, 46 412 (5.5%) were adults admitted to hospital within 14 days of their positive test. Of these, 8496 died in hospital and 34 846 were discharged alive (30 336 discharged after an index admission of ≤ 30 d and 4510 discharged after an admission > 30 d). One in 9 discharged patients died or were readmitted within 30 days after discharge (3173 [10.5%] of those with stay ≤ 30 d and 579 [12.8%] of those with stay > 30 d). The LACE score (length of stay, acuity, Charlson Comorbidity Index and number of emergency visits in previous 6 months) for predicting urgent readmission or death within 30 days had a c-statistic of 0.60 in Alberta and 0.61 in Ontario; inclusion of sex, discharge locale, deprivation index and teaching hospital status in the model improved the c-statistic to 0.73. Death or readmission after discharge from a COVID-19 hospitalization is common and had a similar frequency in Alberta and Ontario. Risk stratification and interinstitutional comparisons of outcomes after hospital admission for COVID-19 should include sex, discharge locale and socioeconomic measures, in addition to the LACE variables.

Sections du résumé

BACKGROUND
The frequency of readmissions after COVID-19 hospitalizations is uncertain, as is whether current readmission prediction equations are useful for discharge risk stratification of COVID-19 survivors or for comparing among hospitals. We sought to determine the frequency and predictors of death or unplanned readmission after a COVID-19 hospital discharge.
METHODS
We conducted a retrospective cohort study of all adults (≥ 18 yr) who were discharged alive from hospital after a nonpsychiatric, nonobstetric, acute care admission for COVID-19 between Jan. 1, 2020, and Sept. 30, 2021, in Alberta and Ontario.
RESULTS
Of 843 737 individuals who tested positive for SARS-CoV-2 by reverse transcription polymerase chain reaction during the study period, 46 412 (5.5%) were adults admitted to hospital within 14 days of their positive test. Of these, 8496 died in hospital and 34 846 were discharged alive (30 336 discharged after an index admission of ≤ 30 d and 4510 discharged after an admission > 30 d). One in 9 discharged patients died or were readmitted within 30 days after discharge (3173 [10.5%] of those with stay ≤ 30 d and 579 [12.8%] of those with stay > 30 d). The LACE score (length of stay, acuity, Charlson Comorbidity Index and number of emergency visits in previous 6 months) for predicting urgent readmission or death within 30 days had a c-statistic of 0.60 in Alberta and 0.61 in Ontario; inclusion of sex, discharge locale, deprivation index and teaching hospital status in the model improved the c-statistic to 0.73.
INTERPRETATION
Death or readmission after discharge from a COVID-19 hospitalization is common and had a similar frequency in Alberta and Ontario. Risk stratification and interinstitutional comparisons of outcomes after hospital admission for COVID-19 should include sex, discharge locale and socioeconomic measures, in addition to the LACE variables.

Identifiants

DOI: 10.1503/cmaj.220272 PMID: 35577377 PMC: PMC9438727
pubmed: 35577377
pii: 194/19/E666
doi: 10.1503/cmaj.220272
pmc: PMC9438727
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

E666-E673

Informations de copyright

© 2022 CMA Impact Inc. or its licensors.

Déclaration de conflit d'intérêts

Competing interests: Kieran Quinn has a grant from the Canadian Institutes of Health Research (CIHR) for a study of long COVID-19, and reports stock in BioNTech and Merck. Amol Verma holds research grants from CIHR, the Canadian Frailty Network, the Digital Research Alliance of Canada, the St. Michael’s Hospital Association, the St. Michael’s Hospital Foundation and the University of Toronto to support research related to COVID-19. He is the provincial clinical lead for quality improvement in general internal medicine with Ontario Health. Jacob Udell reports grants from Amgen, Bayer, Boehringer-Ingelheim, Novartis and Sanofi. Amy Yu holds a new investigator award from the Heart and Stroke Foundation of Canada and an AFP Innovation award, and grants from the CIHR, Health Data Research Network Canada and Academic Health Sciences Centres of Ontario. Fahad Razak receives a salary from Ontario Health, is assistant director of the Ontario COVID-19 Science Advisory Table and has a salary award from the Physicians’ Services Incorporated (PSI) Foundation.

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Auteurs

Finlay A McAlister (FA)

Division of General Internal Medicine, Faculty of Medicine and Dentistry (McAlister), University of Alberta; The Alberta Strategy for Patient-Oriented Research Support Unit (McAlister, Dong, Youngson), Edmonton, Alta.; ICES (Chu, Wang, Quinn, Udell, de Mestral, van Walraven, Lee); University of Toronto (Chu, de Mestral, Ross); Department of Medicine, Divisions of General Internal Medicine and Palliative Care (Quinn), Sinai Health System, University of Toronto; Li Ka Shing Knowledge Institute (Verma, Razak), St. Michael's Hospital, Unity Health Toronto; Department of Medicine (Verma, Razak), University of Toronto; Institute of Health Policy, Management and Evaluation (Verma, Razak), Dalla Lana School of Public Health, University of Toronto; University Health Network (Udell, Ross, Lee); Department of Medicine (Neurology) (Yu), University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Ont.; Division of Physical Medicine and Rehabilitation (Ho), Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alta.; Department of Surgery (de Mestral), Unity Health Toronto; Peter Munk Cardiac Center (Ross, Lee), Ted Rogers Centre for Heart Research, University of Toronto, Toronto, Ont.; Department of Medicine and School of Epidemiology and Public Health (van Walraven), University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Ont. Finlay.McAlister@ualberta.ca.

Yuan Dong (Y)

Division of General Internal Medicine, Faculty of Medicine and Dentistry (McAlister), University of Alberta; The Alberta Strategy for Patient-Oriented Research Support Unit (McAlister, Dong, Youngson), Edmonton, Alta.; ICES (Chu, Wang, Quinn, Udell, de Mestral, van Walraven, Lee); University of Toronto (Chu, de Mestral, Ross); Department of Medicine, Divisions of General Internal Medicine and Palliative Care (Quinn), Sinai Health System, University of Toronto; Li Ka Shing Knowledge Institute (Verma, Razak), St. Michael's Hospital, Unity Health Toronto; Department of Medicine (Verma, Razak), University of Toronto; Institute of Health Policy, Management and Evaluation (Verma, Razak), Dalla Lana School of Public Health, University of Toronto; University Health Network (Udell, Ross, Lee); Department of Medicine (Neurology) (Yu), University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Ont.; Division of Physical Medicine and Rehabilitation (Ho), Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alta.; Department of Surgery (de Mestral), Unity Health Toronto; Peter Munk Cardiac Center (Ross, Lee), Ted Rogers Centre for Heart Research, University of Toronto, Toronto, Ont.; Department of Medicine and School of Epidemiology and Public Health (van Walraven), University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Ont.

Anna Chu (A)

Division of General Internal Medicine, Faculty of Medicine and Dentistry (McAlister), University of Alberta; The Alberta Strategy for Patient-Oriented Research Support Unit (McAlister, Dong, Youngson), Edmonton, Alta.; ICES (Chu, Wang, Quinn, Udell, de Mestral, van Walraven, Lee); University of Toronto (Chu, de Mestral, Ross); Department of Medicine, Divisions of General Internal Medicine and Palliative Care (Quinn), Sinai Health System, University of Toronto; Li Ka Shing Knowledge Institute (Verma, Razak), St. Michael's Hospital, Unity Health Toronto; Department of Medicine (Verma, Razak), University of Toronto; Institute of Health Policy, Management and Evaluation (Verma, Razak), Dalla Lana School of Public Health, University of Toronto; University Health Network (Udell, Ross, Lee); Department of Medicine (Neurology) (Yu), University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Ont.; Division of Physical Medicine and Rehabilitation (Ho), Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alta.; Department of Surgery (de Mestral), Unity Health Toronto; Peter Munk Cardiac Center (Ross, Lee), Ted Rogers Centre for Heart Research, University of Toronto, Toronto, Ont.; Department of Medicine and School of Epidemiology and Public Health (van Walraven), University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Ont.

Xuesong Wang (X)

Division of General Internal Medicine, Faculty of Medicine and Dentistry (McAlister), University of Alberta; The Alberta Strategy for Patient-Oriented Research Support Unit (McAlister, Dong, Youngson), Edmonton, Alta.; ICES (Chu, Wang, Quinn, Udell, de Mestral, van Walraven, Lee); University of Toronto (Chu, de Mestral, Ross); Department of Medicine, Divisions of General Internal Medicine and Palliative Care (Quinn), Sinai Health System, University of Toronto; Li Ka Shing Knowledge Institute (Verma, Razak), St. Michael's Hospital, Unity Health Toronto; Department of Medicine (Verma, Razak), University of Toronto; Institute of Health Policy, Management and Evaluation (Verma, Razak), Dalla Lana School of Public Health, University of Toronto; University Health Network (Udell, Ross, Lee); Department of Medicine (Neurology) (Yu), University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Ont.; Division of Physical Medicine and Rehabilitation (Ho), Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alta.; Department of Surgery (de Mestral), Unity Health Toronto; Peter Munk Cardiac Center (Ross, Lee), Ted Rogers Centre for Heart Research, University of Toronto, Toronto, Ont.; Department of Medicine and School of Epidemiology and Public Health (van Walraven), University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Ont.

Erik Youngson (E)

Division of General Internal Medicine, Faculty of Medicine and Dentistry (McAlister), University of Alberta; The Alberta Strategy for Patient-Oriented Research Support Unit (McAlister, Dong, Youngson), Edmonton, Alta.; ICES (Chu, Wang, Quinn, Udell, de Mestral, van Walraven, Lee); University of Toronto (Chu, de Mestral, Ross); Department of Medicine, Divisions of General Internal Medicine and Palliative Care (Quinn), Sinai Health System, University of Toronto; Li Ka Shing Knowledge Institute (Verma, Razak), St. Michael's Hospital, Unity Health Toronto; Department of Medicine (Verma, Razak), University of Toronto; Institute of Health Policy, Management and Evaluation (Verma, Razak), Dalla Lana School of Public Health, University of Toronto; University Health Network (Udell, Ross, Lee); Department of Medicine (Neurology) (Yu), University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Ont.; Division of Physical Medicine and Rehabilitation (Ho), Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alta.; Department of Surgery (de Mestral), Unity Health Toronto; Peter Munk Cardiac Center (Ross, Lee), Ted Rogers Centre for Heart Research, University of Toronto, Toronto, Ont.; Department of Medicine and School of Epidemiology and Public Health (van Walraven), University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Ont.

Kieran L Quinn (KL)

Division of General Internal Medicine, Faculty of Medicine and Dentistry (McAlister), University of Alberta; The Alberta Strategy for Patient-Oriented Research Support Unit (McAlister, Dong, Youngson), Edmonton, Alta.; ICES (Chu, Wang, Quinn, Udell, de Mestral, van Walraven, Lee); University of Toronto (Chu, de Mestral, Ross); Department of Medicine, Divisions of General Internal Medicine and Palliative Care (Quinn), Sinai Health System, University of Toronto; Li Ka Shing Knowledge Institute (Verma, Razak), St. Michael's Hospital, Unity Health Toronto; Department of Medicine (Verma, Razak), University of Toronto; Institute of Health Policy, Management and Evaluation (Verma, Razak), Dalla Lana School of Public Health, University of Toronto; University Health Network (Udell, Ross, Lee); Department of Medicine (Neurology) (Yu), University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Ont.; Division of Physical Medicine and Rehabilitation (Ho), Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alta.; Department of Surgery (de Mestral), Unity Health Toronto; Peter Munk Cardiac Center (Ross, Lee), Ted Rogers Centre for Heart Research, University of Toronto, Toronto, Ont.; Department of Medicine and School of Epidemiology and Public Health (van Walraven), University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Ont.

Amol Verma (A)

Division of General Internal Medicine, Faculty of Medicine and Dentistry (McAlister), University of Alberta; The Alberta Strategy for Patient-Oriented Research Support Unit (McAlister, Dong, Youngson), Edmonton, Alta.; ICES (Chu, Wang, Quinn, Udell, de Mestral, van Walraven, Lee); University of Toronto (Chu, de Mestral, Ross); Department of Medicine, Divisions of General Internal Medicine and Palliative Care (Quinn), Sinai Health System, University of Toronto; Li Ka Shing Knowledge Institute (Verma, Razak), St. Michael's Hospital, Unity Health Toronto; Department of Medicine (Verma, Razak), University of Toronto; Institute of Health Policy, Management and Evaluation (Verma, Razak), Dalla Lana School of Public Health, University of Toronto; University Health Network (Udell, Ross, Lee); Department of Medicine (Neurology) (Yu), University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Ont.; Division of Physical Medicine and Rehabilitation (Ho), Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alta.; Department of Surgery (de Mestral), Unity Health Toronto; Peter Munk Cardiac Center (Ross, Lee), Ted Rogers Centre for Heart Research, University of Toronto, Toronto, Ont.; Department of Medicine and School of Epidemiology and Public Health (van Walraven), University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Ont.

Jacob A Udell (JA)

Division of General Internal Medicine, Faculty of Medicine and Dentistry (McAlister), University of Alberta; The Alberta Strategy for Patient-Oriented Research Support Unit (McAlister, Dong, Youngson), Edmonton, Alta.; ICES (Chu, Wang, Quinn, Udell, de Mestral, van Walraven, Lee); University of Toronto (Chu, de Mestral, Ross); Department of Medicine, Divisions of General Internal Medicine and Palliative Care (Quinn), Sinai Health System, University of Toronto; Li Ka Shing Knowledge Institute (Verma, Razak), St. Michael's Hospital, Unity Health Toronto; Department of Medicine (Verma, Razak), University of Toronto; Institute of Health Policy, Management and Evaluation (Verma, Razak), Dalla Lana School of Public Health, University of Toronto; University Health Network (Udell, Ross, Lee); Department of Medicine (Neurology) (Yu), University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Ont.; Division of Physical Medicine and Rehabilitation (Ho), Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alta.; Department of Surgery (de Mestral), Unity Health Toronto; Peter Munk Cardiac Center (Ross, Lee), Ted Rogers Centre for Heart Research, University of Toronto, Toronto, Ont.; Department of Medicine and School of Epidemiology and Public Health (van Walraven), University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Ont.

Amy Y X Yu (AYX)

Division of General Internal Medicine, Faculty of Medicine and Dentistry (McAlister), University of Alberta; The Alberta Strategy for Patient-Oriented Research Support Unit (McAlister, Dong, Youngson), Edmonton, Alta.; ICES (Chu, Wang, Quinn, Udell, de Mestral, van Walraven, Lee); University of Toronto (Chu, de Mestral, Ross); Department of Medicine, Divisions of General Internal Medicine and Palliative Care (Quinn), Sinai Health System, University of Toronto; Li Ka Shing Knowledge Institute (Verma, Razak), St. Michael's Hospital, Unity Health Toronto; Department of Medicine (Verma, Razak), University of Toronto; Institute of Health Policy, Management and Evaluation (Verma, Razak), Dalla Lana School of Public Health, University of Toronto; University Health Network (Udell, Ross, Lee); Department of Medicine (Neurology) (Yu), University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Ont.; Division of Physical Medicine and Rehabilitation (Ho), Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alta.; Department of Surgery (de Mestral), Unity Health Toronto; Peter Munk Cardiac Center (Ross, Lee), Ted Rogers Centre for Heart Research, University of Toronto, Toronto, Ont.; Department of Medicine and School of Epidemiology and Public Health (van Walraven), University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Ont.

Fahad Razak (F)

Division of General Internal Medicine, Faculty of Medicine and Dentistry (McAlister), University of Alberta; The Alberta Strategy for Patient-Oriented Research Support Unit (McAlister, Dong, Youngson), Edmonton, Alta.; ICES (Chu, Wang, Quinn, Udell, de Mestral, van Walraven, Lee); University of Toronto (Chu, de Mestral, Ross); Department of Medicine, Divisions of General Internal Medicine and Palliative Care (Quinn), Sinai Health System, University of Toronto; Li Ka Shing Knowledge Institute (Verma, Razak), St. Michael's Hospital, Unity Health Toronto; Department of Medicine (Verma, Razak), University of Toronto; Institute of Health Policy, Management and Evaluation (Verma, Razak), Dalla Lana School of Public Health, University of Toronto; University Health Network (Udell, Ross, Lee); Department of Medicine (Neurology) (Yu), University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Ont.; Division of Physical Medicine and Rehabilitation (Ho), Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alta.; Department of Surgery (de Mestral), Unity Health Toronto; Peter Munk Cardiac Center (Ross, Lee), Ted Rogers Centre for Heart Research, University of Toronto, Toronto, Ont.; Department of Medicine and School of Epidemiology and Public Health (van Walraven), University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Ont.

Chester Ho (C)

Division of General Internal Medicine, Faculty of Medicine and Dentistry (McAlister), University of Alberta; The Alberta Strategy for Patient-Oriented Research Support Unit (McAlister, Dong, Youngson), Edmonton, Alta.; ICES (Chu, Wang, Quinn, Udell, de Mestral, van Walraven, Lee); University of Toronto (Chu, de Mestral, Ross); Department of Medicine, Divisions of General Internal Medicine and Palliative Care (Quinn), Sinai Health System, University of Toronto; Li Ka Shing Knowledge Institute (Verma, Razak), St. Michael's Hospital, Unity Health Toronto; Department of Medicine (Verma, Razak), University of Toronto; Institute of Health Policy, Management and Evaluation (Verma, Razak), Dalla Lana School of Public Health, University of Toronto; University Health Network (Udell, Ross, Lee); Department of Medicine (Neurology) (Yu), University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Ont.; Division of Physical Medicine and Rehabilitation (Ho), Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alta.; Department of Surgery (de Mestral), Unity Health Toronto; Peter Munk Cardiac Center (Ross, Lee), Ted Rogers Centre for Heart Research, University of Toronto, Toronto, Ont.; Department of Medicine and School of Epidemiology and Public Health (van Walraven), University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Ont.

Charles de Mestral (C)

Division of General Internal Medicine, Faculty of Medicine and Dentistry (McAlister), University of Alberta; The Alberta Strategy for Patient-Oriented Research Support Unit (McAlister, Dong, Youngson), Edmonton, Alta.; ICES (Chu, Wang, Quinn, Udell, de Mestral, van Walraven, Lee); University of Toronto (Chu, de Mestral, Ross); Department of Medicine, Divisions of General Internal Medicine and Palliative Care (Quinn), Sinai Health System, University of Toronto; Li Ka Shing Knowledge Institute (Verma, Razak), St. Michael's Hospital, Unity Health Toronto; Department of Medicine (Verma, Razak), University of Toronto; Institute of Health Policy, Management and Evaluation (Verma, Razak), Dalla Lana School of Public Health, University of Toronto; University Health Network (Udell, Ross, Lee); Department of Medicine (Neurology) (Yu), University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Ont.; Division of Physical Medicine and Rehabilitation (Ho), Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alta.; Department of Surgery (de Mestral), Unity Health Toronto; Peter Munk Cardiac Center (Ross, Lee), Ted Rogers Centre for Heart Research, University of Toronto, Toronto, Ont.; Department of Medicine and School of Epidemiology and Public Health (van Walraven), University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Ont.

Heather J Ross (HJ)

Division of General Internal Medicine, Faculty of Medicine and Dentistry (McAlister), University of Alberta; The Alberta Strategy for Patient-Oriented Research Support Unit (McAlister, Dong, Youngson), Edmonton, Alta.; ICES (Chu, Wang, Quinn, Udell, de Mestral, van Walraven, Lee); University of Toronto (Chu, de Mestral, Ross); Department of Medicine, Divisions of General Internal Medicine and Palliative Care (Quinn), Sinai Health System, University of Toronto; Li Ka Shing Knowledge Institute (Verma, Razak), St. Michael's Hospital, Unity Health Toronto; Department of Medicine (Verma, Razak), University of Toronto; Institute of Health Policy, Management and Evaluation (Verma, Razak), Dalla Lana School of Public Health, University of Toronto; University Health Network (Udell, Ross, Lee); Department of Medicine (Neurology) (Yu), University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Ont.; Division of Physical Medicine and Rehabilitation (Ho), Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alta.; Department of Surgery (de Mestral), Unity Health Toronto; Peter Munk Cardiac Center (Ross, Lee), Ted Rogers Centre for Heart Research, University of Toronto, Toronto, Ont.; Department of Medicine and School of Epidemiology and Public Health (van Walraven), University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Ont.

Carl van Walraven (C)

Division of General Internal Medicine, Faculty of Medicine and Dentistry (McAlister), University of Alberta; The Alberta Strategy for Patient-Oriented Research Support Unit (McAlister, Dong, Youngson), Edmonton, Alta.; ICES (Chu, Wang, Quinn, Udell, de Mestral, van Walraven, Lee); University of Toronto (Chu, de Mestral, Ross); Department of Medicine, Divisions of General Internal Medicine and Palliative Care (Quinn), Sinai Health System, University of Toronto; Li Ka Shing Knowledge Institute (Verma, Razak), St. Michael's Hospital, Unity Health Toronto; Department of Medicine (Verma, Razak), University of Toronto; Institute of Health Policy, Management and Evaluation (Verma, Razak), Dalla Lana School of Public Health, University of Toronto; University Health Network (Udell, Ross, Lee); Department of Medicine (Neurology) (Yu), University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Ont.; Division of Physical Medicine and Rehabilitation (Ho), Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alta.; Department of Surgery (de Mestral), Unity Health Toronto; Peter Munk Cardiac Center (Ross, Lee), Ted Rogers Centre for Heart Research, University of Toronto, Toronto, Ont.; Department of Medicine and School of Epidemiology and Public Health (van Walraven), University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Ont.

Douglas S Lee (DS)

Division of General Internal Medicine, Faculty of Medicine and Dentistry (McAlister), University of Alberta; The Alberta Strategy for Patient-Oriented Research Support Unit (McAlister, Dong, Youngson), Edmonton, Alta.; ICES (Chu, Wang, Quinn, Udell, de Mestral, van Walraven, Lee); University of Toronto (Chu, de Mestral, Ross); Department of Medicine, Divisions of General Internal Medicine and Palliative Care (Quinn), Sinai Health System, University of Toronto; Li Ka Shing Knowledge Institute (Verma, Razak), St. Michael's Hospital, Unity Health Toronto; Department of Medicine (Verma, Razak), University of Toronto; Institute of Health Policy, Management and Evaluation (Verma, Razak), Dalla Lana School of Public Health, University of Toronto; University Health Network (Udell, Ross, Lee); Department of Medicine (Neurology) (Yu), University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Ont.; Division of Physical Medicine and Rehabilitation (Ho), Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alta.; Department of Surgery (de Mestral), Unity Health Toronto; Peter Munk Cardiac Center (Ross, Lee), Ted Rogers Centre for Heart Research, University of Toronto, Toronto, Ont.; Department of Medicine and School of Epidemiology and Public Health (van Walraven), University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Ont.

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Classifications MeSH

Recherchemedicale.com › Personnes › Tranches d'âge › Adulte › The risk of death or unplanned readmission...
Recherchemedicale.com › Régions géographiques › Amériques › Amérique du Nord › Canada › Alberta › The risk of death or unplanned readmission...
Recherchemedicale.com › Maladies de l'appareil respiratoire › Infections de l'appareil respiratoire › Pneumopathie infectieuse › Pneumopathie virale › COVID-19 › The risk of death or unplanned readmission...
Recherchemedicale.com › Environnement et santé publique › Santé publique › Facteurs épidémiologiques › Comorbidité › The risk of death or unplanned readmission...
Recherchemedicale.com › Administration des services de santé › Organisation et administration › Administration d'établissement de santé › Administration hospitalière › Services hospitaliers › Service hospitalier d'urgences › The risk of death or unplanned readmission...
Recherchemedicale.com › Établissements, main d'oeuvre et services de soins de santé › Services de santé › Soins aux patients › Hospitalisation › The risk of death or unplanned readmission...
Recherchemedicale.com › Eucaryotes › Animaux › Chordés › Vertébrés › Mammifères › Eutheria › Primates › Haplorhini › Catarrhini › Hominidae › Humains › The risk of death or unplanned readmission...
Recherchemedicale.com › Établissements, main d'oeuvre et services de soins de santé › Services de santé › Soins aux patients › Hospitalisation › Durée du séjour › The risk of death or unplanned readmission...
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