Table 1 Study population demographics
All patients N = 3305 N (%) | In-patient death N = 29 N (%) | Survived to discharge N = 3276 N (%) | |
|---|---|---|---|
Mean age (SD) | 51.09 (15.88) | 66.48 (9.38) | 50.95 (15.86) |
Male gender (M:F) | 1592 (48.0) | 18 (62.0) | 1574 (48.0) |
ASA | |||
1 | 1199 (36.3) | 2 (6.9) | 1197 (36.5) |
2 | 1581 (47.8) | 5 (17.2) | 1576 (48.1) |
3 | 477 (14.4) | 13 (44.8) | 464 (14.2) |
≥ 4 | 48 (1.5) | 9 (31.0) | 39 (1.2) |
Elective admission | 2783 (84.2) | 16 (55.2) | 2767 (84.5) |
Type of surgery | |||
Oesophagus | 244 (7.38) | 1 (3.5) | 243 (7.42) |
Stomach | 310 (9.38) | 0 (0.0) | 310 (9.46) |
Duodenum | 34 (1.03) | 0 (0.0) | 34 (1.04) |
Small intestine | 189 (5.72) | 2 (6.9) | 187 (5.71) |
Large intestine | 812 (24.6) | 4 (13.8) | 808 (24.7) |
Rectum | 376 (11.4) | 1 (3.45) | 375 (11.4) |
HPB | 600 (18.2) | 10 (34.5) | 590 (18.0) |
Othera | 740 (22.4) | 11 (37.9) | 729 (22.3) |
Severity of procedure | |||
Intermediate | 286 (8.65) | 0 (0.0) | 286 (8.73) |
Major | 1374 (41.6) | 12 (41.4) | 1362 (41.6) |
Complex major/complex | 1645 (49.8) | 17 (58.6) | 1628 (49.7) |
Comorbidity | |||
Mean Charlson Index (IQR) | 0.692 (1) | 3.59 (1) | 0.667 (1) |
Cancer (yes/no) | 330 (10.0) | 15 (52.0) | 315 (9.6) |