Hospital admission on weekends for patients who have surgery and 30-day mortality in Ontario, Canada: A matched cohort study.

ABSTRACT: BACKGROUND:Healthcare interventions on weekends have been associated with increased mortality and adverse clinical outcomes, but these findings are inconsistent. We hypothesized that patients admitted to hospital on weekends who have surgery have an increased risk of death compared with patients who are admitted and have surgery on weekdays. METHODS AND FINDINGS:This matched cohort study included 318,202 adult patients from Ontario health administrative and demographic databases, admitted to acute care hospitals from 1 January 2005 to 31 December 2015. A total of 159,101 patients who were admitted on weekends and underwent noncardiac surgery were classified by day of surgery (weekend versus weekday) and matched 1:1 to patients who both were admitted and had surgery on a weekday (Tuesday to

SUBMITTER: O'Leary JD 

PROVIDER: S-EPMC6350956 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature