On weekends, in the afternoons and in February are the times when the risk of death following surgery is the highest, research demonstrates. Hospital mortality is subject to day-night, weekly and seasonal variability. However, a cyclic influence on hospital mortality has not been shown in patients after surgery. In this study, the researchers investigated the daily, weekly, and seasonal variability of hospital mortality in patients after surgery.

Source: Risk of death highest following surgery in afternoons, at weekends, and in February