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Figures
Fig. 1: Risk of death or nonelective hospital readmission within 30 days after discharge from hospital, by day of discharge. Bars represent proportion of discharges by day of the week. Hazard ratios (HRs) of death or readmission within 30 days (diamonds) and 95% confidence intervals (error bars) are relative to Wednesday discharges. The HRs are independent of patient factors (e.g., age, sex, comorbidities and previous hospital admission) and hospital admission factors (e.g., length of stay, presence of complication or procedure, and teaching status of hospital) but are not independent of the volume of discharges on that day.