Table 4.
Tumor-related variables.
| Variables | AL (+) (n = 18) | AL (−) (n = 478) | P |
|---|---|---|---|
| Tumor location, n (%) | 0.602 | ||
| Above peritoneal reflection | 13 (72.2%) | 383 (80.1%) | |
| Below peritoneal reflection | 5 (27.8%) | 95 (19.9%) | |
| Pathological T stage, n (%) | 0.246 | ||
| Tis, T1, T2, and no tumor residual after preoperative therapy | 3 (16.7%) | 140 (29.3%) | |
| T3 and T4 | 15 (83.3%) | 338 (70.7%) | |
| Pathological N stage, n (%) | 0.854 | ||
| N0 and no tumor residual after preoperative therapy | 10 (55.6%) | 255 (53.3%) | |
| N1 and N2 | 8 (44.4%) | 223 (46.7%) | |
| Pathological M stage, n (%) | 0.553 | ||
| M0 | 18 (100%) | 448 (93.7%) | |
| M1 | 0 (0%) | 30 (6.3%) | |
| TNM stage, n (%) | 0.746 | ||
| 0-II and no tumor residual after preoperative therapy | 10 (55.6%) | 247 (51.7%) | |
| III-IV | 8 (44.4%) | 231 (48.3%) | |
| Degree of differentiation, n (%) | 0.337 | ||
| Low, low-middle grade | 7 (38.9%) | 136 (28.5%) | |
| Middle, high-middle, high grade, and no tumor residual after therapy | 11 (61.1%) | 342 (71.5%) |
AL: anastomotic leakage.