Table 3.
Intraoperative and postoperative characteristics of the patients
| Total cohort | High-risk group | Low-risk group | P-valuea | |
|---|---|---|---|---|
| (n = 175) | (n = 99) | (n = 76) | ||
| Intraoperative bile contamination, n (%) | 89 (50.9%) | 80 (80.8%) | 9 (11.8%) | 0.001 |
| Operative time, min, median (range) | 450 (380–540) | 460 (390–540) | 430 (360–512.5) | 0.270 |
| Intraoperative blood loss, ml, median (range) | 410 (300–600) | 400 (300–625) | 475 (300–600) | 0.910 |
| Transfusions of red blood cells, units, median (range) | 0 (0–0) | 0 (0–0) | 0 (0–2) | 0.015 |
| Mortality, n (%) | 6 (3.4%) | 1 (1.0%) | 5 (6.6%) | 0.117 |
| Overall morbidity, n (%) | 122 (69.7%) | 67 (67.7%) | 55 (72.4%) | 0.250 |
| Major morbidity, n (%) | 40 (22.9%) | 20 (20.2%) | 20 (26.3%) | 0.404 |
| Infectious complications, n (%) | 64 (36.6%) | 29 (29.3%) | 35 (46.1%) | 0.018 |
| Pancreatic fistula (Grades B + C), n (%) | 24 (13.7%) | 17 (17.2%) | 7 (9.2%) | 0.179 |
| Associated with infected collection | 7 | 5 | 2 | 1 |
| Delayed gastric emptying, n (%) | 18 (10.3%) | 12 (12.1%) | 6 (7.9%) | 0.506 |
| Haemorrhage, n (%) | 14 (8.0%) | 7 (7.1%) | 7 (9.2%) | 0.799 |
| Clostridium difficile colitis, n (%) | 1 (0.6%) | 1 (1%) | 0 | 1 |
| Length of stay, days, median (range) | ||||
| Intensive care unit | 1.0 (0–5.0) | 1.0 (0–4.0) | 2.5 (0.8–6.3) | 0.032 |
| Hospital stay | 21 (16–28) | 21 (15–28) | 21 (16–27) | 0.750 |
a
Values in bold are significant at P < 0.05.