Table 1 Clinical characteristics of patients
Variable |  | Number of the subjects(N = 420) |
|---|---|---|
Gender | Male | 254(60.5) |
| Â | Female | 166(39.5) |
Age(y) | < 52 | 100(23.8) |
|  | ≥52 | 320(76.2) |
Primary lesion | Left hemi-colon | 302(71.9) |
| Â | Right hemi-colon | 118(28.1) |
Histologic grade | poorly/moderately-poorly | 56(14.1) |
| Â | moderately /highly | 340(85.9) |
Mucinous carcinoma | Yes | 34(10.0) |
| Â | No | 386(90.0) |
T stage | T2–3 | 299(71.2) |
| Â | T4 | 121(28.8) |
N stage | N0 | 174(41.4) |
|  | N1–2 | 246(58.6) |
M stage | M0 | 333(79.3) |
| Â | M1 | 87(20.7) |
MSI state | Absent | 376(89.5) |
| Â | Present | 44(10.5) |