Weekend hospitalization and additional risk of death: An analysis of inpatient data

N Freemantle, Matthew Richardson, J Wood, Daniel Ray, S Khosla, D Shahian, WR Roche, I Stephens, B Keogh, Domenico Pagano

Research output: Contribution to journalArticle

199 Citations (Scopus)


Objective To assess whether weekend admissions to hospital and/or already being an inpatient on weekend days were associated with any additional mortality risk. Design Retrospective observational survivorship study. We analysed all admissions to the English National Health Service (NHS) during the financial year 2009/10, following up all patients for 30 days after admission and accounting for risk of death associated with diagnosis, co-morbidities, admission history, age, sex, ethnicity, deprivation, seasonality, day of admission and hospital trust, including day of death as a time dependent covariate. The principal analysis was based on time to in-hospital death. Participants National Health Service Hospitals in England. Main Outcome Measures 30 day mortality (in or out of hospital). Results There were 14,217,640 admissions included in the principal analysis, with 187,337 in-hospital deaths reported within 30 days of admission. Admission on weekend days was associated with a considerable increase in risk of subsequent death compared with admission on weekdays, hazard ratio for Sunday versus Wednesday 1.16 (95% Cl 1.14 to 1.18; P
Original languageEnglish
Pages (from-to)74-84
Number of pages11
JournalJournal of the Royal Society of Medicine
Issue number2
Publication statusPublished - 1 Feb 2012


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