Table 3. Surgical features and their association with anastomotic leakage.
| Characteristics | No leak (n=587), n (%) | Leak (n=122), n (%) | Total (n=709), n (%) | P value |
|---|---|---|---|---|
| Operative time (min) | 0.1469 | |||
| <300 | 147 (25.04) | 23 (18.85) | 170 (23.98) | |
| ≥300 | 440 (74.96) | 99 (81.15) | 539 (76.02) | |
| Intraoperative blood transfusion | 0.6333 | |||
| Yes | 114 (19.42) | 26 (21.31) | 140 (19.75) | |
| No | 473 (80.58) | 96 (78.69) | 569 (80.25) | |
| Transthoracic approach | 0.0968 | |||
| Right side | 549 (93.53) | 119 (97.54) | 668 (94.22) | |
| Left side | 38 (6.47) | 3 (2.46) | 41 (5.78) | |
| Surgical approach | 0.0770 | |||
| Thoracoscopic-laparotomic | 81 (13.80) | 12 (9.84) | 93 (13.12) | |
| Thoracotomic-laparoscopic | 4 (0.68) | 0 (0.00) | 4 (0.56) | |
| Thoracolaparoscopic | 278 (47.36) | 70 (57.38) | 348 (49.08) | |
| Thoracolaparotomic | 224 (38.16) | 40 (32.79) | 264 (37.24) | |
| Esophageal substitute | 0.0599 | |||
| Subtotal stomach | 201 (34.24) | 31 (25.41) | 232 (32.72) | |
| Slender gastric tube | 386 (65.76) | 91 (74.59) | 477 (67.28) | |
| Anastomosis method | 0.9282 | |||
| Hand-sewn | 190 (32.37) | 40 (32.79) | 230 (32.44) | |
| Stapled | 397 (67.63) | 82 (67.21) | 479 (67.56) | |
| Lymph node dissection | 0.6126 | |||
| Three-field | 23 (3.92) | 6 (4.92) | 29 (4.09) | |
| Two-field | 564 (96.08) | 116 (95.08) | 680 (95.91) |