Supplementary Table 3.
Postoperative complications by severity
| Complication type | D1/D1+ (n = 68) | D2 (n = 132) | P |
|---|---|---|---|
| Infective | |||
| Surgical site infection, n (%) | |||
| Wound infection | 4 (5.9) | 8 (6.1) | 1.000 |
| Anastomotic leakage | 0 (0) | 3 (2.3) | 0.523 |
| Intra-abdominal abscess | 1 (1.5) | 4 (3.0) | 0.848 |
| Remote site infection, n (%) | |||
| Pneumonia | 8 (11.8) | 14 (10.6) | 0.804 |
| Urinary tract infection | 3 (4.4) | 6 (4.5) | 1.000 |
| Noninfective, n (%) | |||
| Hemorrhage | 0 (0) | 4 (3.0) | 0.359 |
| Ileus/anastomotic stenosis | 5 (7.4) | 9 (6.8) | 1.000 |
| Pancreatitis/pancreatic fistula | 1 (1.5) | 3 (2.3) | 1.000 |
| Delayed gastric emptying | 2 (2.9) | 5 (3.8) | 1.000 |
| Lymphorrhea | 1 (1.5) | 1 (0.7) | 1.000 |
| Severe cardiopulmonary failure | 2 (2.9) | 9 (6.8) | 0.417 |
| Pulmonary embolism | 0 (0) | 1 (0.7) | 1.000 |
| Deep vein thrombosis | 0 (0) | 3 (2.3) | 0.523 |
| Renal dysfunction | 3 (4.4) | 8 (6.1) | 0.875 |
| Delirium | 3 (4.4) | 8 (6.1) | 0.875 |
| Clavien–Dindo classification, n (%) | |||
| 0 + I | 48 (70.6) | 87 (65.9) | 0.683 |
| II | 14 (20.6) | 26 (19.7) | |
| III + IV | 5 (7.4) | 17 (12.9) | |
| V | 1 (1.5) | 2 (1.5) | |
| Postoperative complications, n (%) | |||
| Yes | 20 (29.4) | 45 (34.1) | 0.503 |
| No | 48 (70.6) | 87 (65.9) | |
| Severe complications, n (%) | |||
| Yes | 6 (8.8) | 19 (14.4) | 0.259 |
| No | 62 (91.2) | 113 (85.6) |
D1/D1+: Patients who underwent R0 resection and D1 or D1+ lymphadenectomy; D2: Patients who underwent R0 resection and D2 lymphadenectomy.