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PSNet: Patient Safety Network
Journal Article

Impact of out-of-hours admission on patient mortality: longitudinal analysis in a tertiary acute hospital.

Han L, Sutton M, Clough S, et al. BMJ quality & safety. 2018;27:445-454.

The weekend effect is a term used to describe the finding that patient outcomes are worse during off hours. In keeping with prior research, this single center study found that patients admitted as emergencies on nights and weekends were at increased risk of mortality and that the risk was greatest among patients admitted on weekend nights.