Perioperative outcomes according to operative timing
| Outcome | Operative timing; no. (%) of patients* | ||||
|---|---|---|---|---|---|
| Overall n = 1244 | Weekday daytime n = 521 | Weekday evening n = 279 | Weekend daytime n = 293 | Overnight n = 151 | |
| Overall LOS, median (IQR), d | 9 (5.0–17.0) | 9 (5.0–17.0) | 9 (5.0–17.0) | 10 (5.0–17.0) | 7 (4.0–14.0) |
| ICU admission | 139 (11.2) | 56 (10.7) | 38 (13.6) | 27 (9.2) | 18 (11.9) |
| ICU LOS, median (IQR), d | 4 (2.0–9.0) | 4 (2.0–8.0) | 3 (1.5–9.5) | 5 (2.0–13.5) | 3 (2.0–7.0) |
| In-hospital mortality rate | 73 (5.9) | 34 (6.5) | 14 (5.0) | 12 (4.1) | 13 (8.6) |
| Complication rate | 420 (33.8) | 185 (35.5) | 86 (30.8) | 105 (35.8) | 44 (29.1) |
ICU = intensive care unit; IQR =interquartile range; LOS = length of stay.
↵* Except where noted otherwise.