Table 1 Clinicopathological features of sporadic CRC patients included in this study
Variables | Number (%) | MSI-H | MSI-L | MSS | P value |
|---|---|---|---|---|---|
No. of patients | 377 | 38 | 58 | 281 | |
Gender | 0.042 | ||||
Male | 219 (58.1) | 23 | 25 | 171 | |
Female | 158 (41.9) | 15 | 33 | 110 | |
Age | 0.007 | ||||
< 50 | 49 (13) | 11 | 5 | 33 | |
≥ 50 | 328 (87) | 27 | 53 | 248 | |
AJCC stage | 0.925 | ||||
Early (stage I/II) | 173 (45.9) | 19 | 25 | 129 | |
Late (stage III/IV) | 202 (53.6) | 21 | 32 | 149 | |
Both | 2 (0.5) | 1 | 1 | 0 | |
Location of tumor | < 0.001 | ||||
Right | 124 (32.9) | 24 | 17 | 83 | |
Left (including rectum) | 253 (67.1) | 14 | 41 | 198 | |
Differentiation of tumor | 0.014 | ||||
Poor | 38 (10.1) | 9 | 8 | 21 | |
Moderate | 294 (78) | 27 | 41 | 226 | |
Well | 45 (11.9) | 2 | 9 | 34 |