Table 1.
Characteristics of patients with mismatch repair-proficient colorectal cancer
| Clinico-pathological feature | Frequency n (%) | |
|---|---|---|
| Gender (n = 381) | Female | 175 (45.9) |
| Male | 206 (54.1) | |
| Tumour location (n = 369) | Left-sided | 242 (65.6) |
| Right-sided | 127 (34.4) | |
| pT stage (n = 373) | pT1-2 | 86 (23.1) |
| pT3-4 | 287 (76.9) | |
| pN stage (n = 357) | pN0 | 178 (49.9) |
| pN1-2 | 179 (50.1) | |
| Tumour grade (n = 374) | G1-2 | 289 (77.3) |
| G3 | 85 (22.7) | |
| Vascular invasion (n = 374) | Absent | 267 (71.4) |
| Present | 107 (28.6) | |
| Tumour border configuration (n = 374) | Pushing | 195 (52.1) |
| Infiltrating | 179 (47.9) | |
| Peritumoural lymphocytic infiltration (n = 374) | Absent | 308 (82.4) |
| Present | 66 (17.7) | |
| Local recurrence (n = 377) | Absent | 208 (55.2) |
| Present | 169 (44.8) | |
| Liver metastasis (n = 387) | Absent | 313 (80.9) |
| Present | 74 (19.1) | |
| Post-operative therapy (n = 377) | No | 289 (76.7) |
| Yes | 88 (23.3) | |
| Survival time (n = 377) | 5-year (%) (95%CI) | 58.9 (52-65) |
*G1-G2: well and moderately differentiated tumours; G3: poorly differentiated tumors