Table 1. Clinicopathological characteristics of patients.
| Characteristic | Locations (n/%) | P value | ||
|---|---|---|---|---|
| Right colon (521/23.3) | Left colon (740/33.1) | Rectum (972/43.5) | ||
| Gender | 0.164 | |||
| Male | 298 (13.3) | 457 (20.5) | 561 (25.1) | |
| Female | 223 (10.0) | 283 (12.7) | 411 (18.4) | |
| Age | 0.286 | |||
| 20–39 years | 52 (2.3) | 59 (2.6) | 77 (3.4) | |
| 40–59 years | 243 (10.9) | 323 (14.5) | 458 (20.5) | |
| 60–85 years | 226 (10.1) | 358 (16.0) | 437 (19.6) | |
| Pathology | <0.001 | |||
| G1 | 40 (1.8) | 27 (1.2) | 37 (1.7) | |
| G2 | 426 (19.1) | 675 (30.2) | 901 (40.3) | |
| G3 | 5 (0.2) | 4 (0.2) | 9 (0.4) | |
| Mucinous | 45 (2.0) | 27 (1.2) | 23 (1.0) | |
| Signet-ring | 5 (0.2) | 7 (0.3) | 2 (0.1) | |
| Stage | <0.001 | |||
| I | 27 (1.2) | 74 (3.3) | 230 (10.3) | |
| IIA | 195 (8.7) | 230 (10.3) | 185 (8.3) | |
| IIB | 23 (1.0) | 36 (1.6) | 166 (7.4) | |
| IIC | 14 (0.6) | 14 (0.6) | 14 (0.6) | |
| IIIA | 7 (0.3) | 16 (0.7) | 32 (1.4) | |
| IIIB | 119 (5.3) | 165 (7.4) | 168 (7.5) | |
| IIIC | 25 (1.1) | 33 (1.5) | 34 (1.5) | |
| IVA | 63 (2.8) | 98 (4.4) | 104 (4.7) | |
| IVB | 48 (2.1) | 74 (3.3) | 39 (1.7) | |
| MMR status | ||||
| dMMR | 117 (5.2) | 55 (2.5) | 60 (2.7) | <0.001 |
| pMMR | 404 (18.1) | 685 (30.7) | 912 (40.8) | |
| Alive | 0.057 | |||
| Yes | 355 (15.9) | 494 (22.1) | 695 (31.1) | |
| No | 166 (7.4) | 246 (11.0) | 277 (12.4) | |