Table 1.
Characteristics of the analyzed patients with or without anastomotic leakage (AL) after colorectal cancer surgery.
| Anastomotic leakage(n = 27) | No anastomotic leakage(n = 471) | p-value | |
|---|---|---|---|
| Age (years) | 65.8 ± 10.7 | 64.2 ± 12.7 | 0.282 |
| Sex | 0.138 | ||
| Male | 19 (70.4%) | 263 (55.8%) | |
| Female | 8 (29.6%) | 208 (44.2%) | |
| Tumor location | 0.011 | ||
| Rectum | 20 (74.1%) | 231 (49.0%) | |
| Colon | 7 (25.9%) | 240 (51.0%) | |
| Operation type | 0.741 | ||
| Open | 19 (70.4%) | 317 (67.3%) | |
| Laparoscope | 8 (29.6%) | 154 (32.7%) | |
| Defunctioning stoma | 0.332 | ||
| No | 24 (88.9%) | 448 (95.1%) | |
| Yes | 3 (11.1%) | 23 (4.9%) | |
| Tumor grade | 0.722 | ||
| G1 | 4 (14.8%) | 71 (15.1%) | |
| G2 | 17 (63.0%) | 313 (66.5%) | |
| G3 | 6 (22.2%) | 87 (18.5%) | |
| AJCC stage | 0.593 | ||
| I | 2 (7.4%) | 42 (8.9%) | |
| II | 9 (33.3%) | 195 (41.4%) | |
| III | 12 (44.4%) | 146 (31.0%) | |
| IV | 4 (14.8%) | 88 (18.7%) | |
| Tumor diameter (cm) | 5.3 ± 3.5 | 6.2 ± 2.5 | 0.322 |
| Tumor distance from AV(rectal tumors, cm) | 6.9 ± 2.3 | 7.1 ± 2.9 | 0.817 |
| Anastomotic technique | 0.541 | ||
| Hand sewn | 1 (3.7%) | 8 (1.7%) | |
| Stapled | 12 (44.4%) | 194 (41.2%) | |
| Stapled and hand sewn | 14 (51.9%) | 269 (57.1%) | |
| Preoperative NRS | 2.4 ± 1.2 | 2.6 ± 1.1 | 0.516 |
| ASA | 2.2 ± 0.8 | 2.2 ± 0.9 | 0.936 |
AJCC, American Joint Committee on Cancer; ASA, American Society of Anesthesiology; AV anal verge, NRS, Nutrition Risk Score; SSI, surgical site infection.