Table 2. Operative features and morbidity.
| Characteristics | ≤2 W, n=227 (%) | ≤3 W, n=56 (%) | >3 W, n=65 (%) | Total, n=348 (%) | P |
|---|---|---|---|---|---|
| Operative time (h) | 4.4±1.0 | 4.3±0.8 | 4.4±1.0 | 4.4±1.0 | <0.001 |
| Blood loss (mL) | 224±93 | 242±81 | 310±255 | 243±141 | <0.001 |
| Postoperative hospital stay [range] (d) | 13 [8-14] | 18 [15-21] | 32 [22-153] | 14 [8-153] | – |
| Morbidity | 36 (15.9) | 41 (73.2) | 63 (96.9) | 140 (40.2) | – |
| Pulmonary complications | 19 (8.4) | 22 (39.3) | 45 (69.2) | 86 (24.7) | <0.001 |
| Pneumonia | 14 (6.2) | 17 (30.4) | 29 (44.6) | 60 (17.2) | <0.001 |
| Pleural effusion req. drainage | 5 (2.2) | 2 (3.6) | 7 (10.8) | 14 (4.0) | 0.008 |
| ARDS req. mechanical ventilation | 0 (0.0) | 3 (5.4) | 9 (13.8) | 12 (3.4) | <0.001 |
| Cardiovascular complications | 21 (9.3) | 8 (14.3) | 14 (21.5) | 43 (12.4) | 0.026 |
| Atrial fibrillation | 15 (6.6) | 6 (10.7) | 9 (13.8) | 30 (8.6) | 0.155 |
| Myocardial infarction | 6 (2.6) | 2 (3.6) | 5 (7.7) | 13 (3.7) | 0.166 |
| Gastrointestinal complications | 2 (0.9) | 15 (26.8) | 40 (61.5) | 57 (16.4) | <0.001 |
| Anastomotic leak | 0 (0.0) | 9 (16.1) | 32 (49.2) | 41 (11.8) | <0.001 |
| Delayed gastric emptying | 2 (0.9) | 6 (10.7) | 8 (12.3) | 16 (4.6) | <0.001 |
| Other | |||||
| Hoarseness | 1 (0.4) | 2 (3.6) | 0 (0.0) | 3 (0.9) | 0.054 |
| Wound infection | 1 (0.4) | 2 (3.6) | 4 (6.2) | 7 (2.0) | 0.010 |
| Chylothorax | 2 (0.9) | 1 (1.8) | 0 (0.0) | 3 (0.9) | 0.570 |
ARDS, acute respiratory distress syndrome; req., required; W, weeks.