Nonobese (<25.0 kg/m2) ( N= 371) | Obese I (25.0 to29.9 kg/m2) ( N= 142) | Obese II (≥30 kg/m2) ( N= 14) | P-value | |
---|---|---|---|---|
Overall postoperative complications, n (%) | 112(30.2%) | 46(32.4%) | 6(42.9%) | 0.561 |
Total grade I, n (%) | 18(4.9%) | 8(5.6%) | 0 | 0.533 |
Wound infection, n | 13 | 5 | 0 | |
Wound dehiscence, n | 5 | 3 | 0 | |
Total grade II, n (%) | 72(19.4%) | 30(21.1%) | 4(28.6%) | 0.661 |
Pyrexia of unknown origin, n | 17 | 6 | 1 | |
Urinary infection, n | 6 | 5 | 1 | |
Septicemia, n | 2 | 1 | 0 | |
Cerebral infarction, n | 1 | 0 | 0 | |
Postoperative hypertension, n | 4 | 1 | 0 | |
Anastomotic leak (treated conservatively), n | 11 | 4 | 0 | |
Pneumonia, n | 4 | 1 | 0 | |
Ileus (treated conservatively), n | 7 | 5 | 1 | |
Chyle leakage, n | 2 | 2 | 0 | |
Deep vein thrombosis, n | 2 | 0 | 0 | |
Atelectasis, n | 1 | 0 | 0 | |
Delirium, n | 2 | 0 | 0 | |
Urinary retention, n | 6 | 2 | 0 | |
Arrhythmia, n | 3 | 0 | 0 | |
Neutropenia, n | 1 | 0 | 0 | |
Intraperitoneal hemorrhage (necessitating transfusion), n | 2 | 1 | 0 | |
Respiratory infection, n | 1 | 2 | 1 | |
Total grade III, n (%) | 19(5.1%) | 5(3.5%) | 2(14.3%) | 0.178 |
Wound dehiscence (necessitating stitch), n | 5 | 3 | 2 | |
Pneumothorax, n | 1 | 0 | 0 | |
Anastomotic bleeding (endoscopic treatment), n | 5 | 0 | 0 | |
Anastomotic leak (necessitating reoperation), n | 5 | 1 | 0 | |
Anastomotic ischemia (necessitating reoperation), n | 2 | 0 | 0 | |
Intraperitoneal hemorrhage (necessitating reoperation), n | 1 | 1 | 0 | |
Total grade IV, n (%) | 2(0.5%) | 2(1.4%) | 0 | 0.378 |
Respiratory failure, n | 2 | 1 | 0 | |
Cardiac failure, n | 0 | 1 | 0 | |
Total grade V, n (%) | 1(0.3%) | 1(0.7%) | 0 | 0.505 |
Urinary catheter out b , days | 3(0 to 52) | 4(1 to 21) | 4(1–14) | 0.269 |
Start fluid intake b , days | 3(1 to 47) | 3(1 to 20) | 3 .5(1–10) | 0.774 |
Length of postoperative hospitalization b , days | 10(3 to 102) | 11(6 to 84) | 11.5(7–33) | 0.353 |