Table 1 Characteristics of patients in colon and rectal surgery
Variable | Colon (n = 2518) | Rectum (n = 1183) | p-value |
|---|---|---|---|
Age, median (IQR) years | 70.6 (62–79) | 68 (60–76) | <0.001 |
Age ≥65, n (%) | 1711 (67.95%) | 724 (61.20%) | 0.001 |
Males, n (%) | 1494 (59.33%) | 795 (67.20%) | 0.001 |
ASA III-IV, n (%) | 1062 (42.18%) | 434 (36.69%) | 0.002 |
Neoplasia, n (%) | 2355 (93.5%) | 1147 (97%) | <0.001 |
Inflammatory bowel disease, n (%) | 75 (3%) | 16 (1.4%) | 0.003 |
Other, n (%) | 86 (3.4%) | 17 (1.4%) | 0.001 |
Duration of surgery ≥75th-percentilea, n (%) | 947 (37.61%) | 505 (42.69%) | 0.003 |
NNIS Risk index 1–2, n (%) | 909 (36.10%) | 398 (33.64%) | 0.15 |
Laparoscopy, n (%) | 1515 (60.17%) | 782 (66.10%) | 0.001 |
Correct IV antibiotic prophylaxis, n (%) | 2117 (84.07%) | 966 (81.66%) | 0.41 |
Previous radiotherapy, n (%) | 33 (1.31%) | 545 (46.07%) | <0.001 |
Previous chemotherapy, n (%) | 78 (3.10%) | 533 (45.05%) | <0.001 |
Oral antibiotic prophylaxis, n (%) | 1078 (42.81%) | 489 (41.34%) | 0.41 |
Mechanical bowel preparation, n (%) | 1749 (69.46%) | 1038 (87.74%) | <0.001 |
- Missing | 58 (2.30%) | 20 (1.69%) | |
Ostomy, n (%) | 208 (8.26%) | 754 (63.74%) | <0.001 |