Table 1 Baseline characteristics
|  | N = 240 |
|---|---|
Age (years) | |
 < 65 | 179 (74.6) |
 ≥ 65 | 61 (25.4) |
Sex, no. (%) | |
 Male | 157 (65.4) |
 Female | 83 (34.6) |
Histological grade (%) | |
 Mod/well differentiated | 156 (65.0) |
 Poorly differentiated | 57 (23.8) |
 Other or missing | 27 (11.3) |
Primary site (%) | |
 Colon | 191 (79.6) |
 Rectum | 45 (18.8) |
 Others | 4 (1.7) |
T-stage (depth of invasion) (%) | |
 T1–3 | 144 (60.0) |
 T4 | 93 (38.8) |
 Tx | 3 (1.3) |
N-stage (lymphatic invasion) (%) | |
 N0 | 58 (24.2) |
 N+ | 179 (74.6) |
 Nx | 3 (1.3) |
MMR status (%) | |
 dMMR | 12 (5.0) |
 pMMR | 228 (95.0) |
Metastasectomy (%) | |
 + | 46 (19.2) |
 − | 194 (80.8) |
No. of metastatic organs (%) | |
 Single | 153 (63.8) |
 Multiple | 87 (36.3) |
Adjuvant chemotherapy (%) | |
 Negative | 55 (22.9) |
 Positive | 185 (77.1) |
Metastatic sites (%) | |
 Liver | 148 (61.7) |
 Extrahepatic disease | 92 (38.3) |