Table 3.
Surgery-related variables.
| Variables | AL (+) (n = 18) | AL (−) (n = 478) | P |
|---|---|---|---|
| Natural orifice specimen extraction surgery, n (%) | 1 (5.6%) | 32 (6.7%) | 1.000 |
| Operation time (min, mean ± SD) | 171.6 ± 45.4 | 162.5 ± 62.4 | 0.206 |
| Consolidation suture, n (%) | 1 (5.6%) | 71 (14.9%) | 0.448 |
| Intraoperative chemotherapy, n (%) | 12 (66.7%) | 159 (33.3%) | 0.003 |
| Estimated blood loss (mL, mean ± SD) | 56.7 ± 34.0 | 65.1 ± 88.0 | 0.506 |
| Transfusion, n (%) | 1 (5.6%) | 22 (4.6%) | 0.641 |
| Left colic artery preservation, n (%) | 1 (5.6%) | 39 (8.2%) | 1.000 |
| Transanal tube, n (%) | 7 (38.9%) | 270 (56.5%) | 0.140 |
| Anastomotic level from anal verge (cm) | 0.033 | ||
| ≤4 | 11 (61.1%) | 174 (36.4%) | |
| >4 | 7 (39.9%) | 304 (63.6%) | |
| Number of stapler firing, n (%) | 0.819 | ||
| 1 and 2 | 13 (72.2%) | 370 (7740%) | |
| Greater than 2 | 5 (27.8%) | 108 (22.6%) |
AL: anastomotic leakage; SD: standard deviation.