Table 1.
Clinicopathological features of 330 patients.
| Variables | N (%) |
|---|---|
| Age (mean) | 54.62 years ± 14.7 |
| <50 | 123 (37.3%) |
| >50 | 207 (62.7%) |
| Sex | |
| Female | 156 (47.3%) |
| Male | 174 (52.7%) |
| Tumor site | |
| Right colon | 76 (23.0%) |
| Left colon | 254 (77.0%) |
| Histologic subtype | |
| Adenocarcinoma | 278 (84.2%) |
| Mucinous adenocarcinoma | 29 (8.8%) |
| Others | 23 (7%) |
| Histologic grade | |
| Well | 173 (52.4%) |
| Moderate | 128 (38.8%) |
| Poor | 28 (8.5%) |
| Unknown | 1 (0.3%) |
| Perineural invasion | |
| Yes | 27 (8.2%) |
| No | 272 (82.4%) |
| Unknown | 31 (9.4%) |
| Vascular invasion | |
| Yes | 39 (11.8%) |
| No | 291 (88.2%) |
| Disease stage | |
| I | 28 (8.5%) |
| II | 161 (48.4%) |
| III | 73 (22.1%) |
| IV | 68 (20.6%) |
| MSI status | |
| MSS | 293 (88.8%) |
| MSI | 37 (11.2%) |
N: number of cases; SD: standard deviation; MSS: microsatellite stable; MSI: microsatellite instability.