Table 1.
Characteristics of the population according to localization
| Characteristic | Colon cancer (n = 1407) | Rectal cancer (n = 724) |
|---|---|---|
| Age (years) | ||
| <65 | 371 (26.4%) | 264 (36.5%) |
| 65–74 | 390 (27.7%) | 236 (32.6%) |
| ≥75 | 646 (45.9%) | 244 (30.9%) |
| Sex | ||
| Male | 672 (47.8%) | 406 (56.1%) |
| Female | 735 (52.2%) | 318 (43.9%) |
| Stage | ||
| I | 234 (16.6%) | 214 (29.6%) |
| II | 661 (47.0%) | 231 (31.9%) |
| III | 512 (36.4%) | 279 (38.5%) |
| Emergency | ||
| Emergent | 188 (13.4%) | 17 (2.4%) |
| Elective | 1219 (86.6%) | 707 (97.6%) |
| ASA | ||
| I/II | 633 (45.0%) | 411 (56.8%) |
| III/IV/V | 297 (21.1%) | 123 (17.0%) |
| Unknown | 477 (33.9%) | 190 (26.2%) |
| Charlson | ||
| 0 | 757 (53.8%) | 444 (61.3%) |
| 1 | 358 (25.4%) | 160 (22.1%) |
| 2 or more | 292 (20.8%) | 120 (16.6%) |
| Complications | ||
| No | 1155 (82.1%) | 559 (77.2%) |
| Yes | 252 (17.9%) | 165 (22.8%) |
| Hospital stay | ||
| <15 days | 956 (67.9%) | 471 (65.0%) |
| ≥15 days | 419 (29.8%) | 238 (32.9%) |
| Unknown | 32 (2.3%) | 15 (2.1%) |
| Socioeconomic status | ||
| High | 449 (31.9%) | 243 (33.6%) |
| Intermediate | 480 (34.1%) | 241 (33.3%) |
| Low | 478 (34.0%) | 240 (33.1%) |
ASA American Society of Anesthesiology