Table 1. Patient characteristics.
| Characteristic | N (%) |
|---|---|
| Age (years) | |
| ≤60 | 205 (57.6) |
| >60 | 151 (42.4) |
| Sex | |
| Male | 150 (41.6) |
| Female | 206 (58.4) |
| Distance to anal verge (cm) | |
| 0 - 5 | 216 (60.7) |
| >5 -10 | 140 (39.3) |
| Pre-operate staging | |
| I | 8 (2.2) |
| II | 51 (14.3) |
| III | 286 (80.3) |
| Surgery method | |
| LAR | 234 (65.7) |
| APR + other | 122 (34.3) |
| Time interval to surgery | |
| ≤Median (18 days) | 162(45.5) |
| >Median | 194(54.5) |
| Tumor regression grade | |
| 1 | 17 (4.8) |
| 2 | 142 (39.9) |
| 3 | 22 (6.2) |
| 4 | 13 (3.6) |
| 5 | 162 (45.5) |
APR abdominoperineal resection; LAR low anterior resection.