Table 1.
Baseline Characteristics of CRC Patients
| Colorectal Cancer (n=408) | |
|---|---|
| Gender | |
| Male, n (%) | 256(62.7%) |
| Female, n (%) | 152(37.3%) |
| Age | |
| <60, n (%) | 185(45.3%) |
| ≥60, n (%) | 223(54.7%) |
| Tumor site | |
| Colon | 227(55.6%) |
| Rectum | 175(42.9%) |
| Cecum | 6(1.5%) |
| Maximum diameter of tumor | |
| <5cm, n (%) | 255(62.5%) |
| ≥5cm, n (%) | 138(33.8%) |
| Unknown, n (%) | 15(3.7%) |
| Tumor differentiation | |
| Well, n (%) | 4(1.0%) |
| Moderate, n (%) | 370(90.7%) |
| Poor, n (%) | 34(8.3%) |
| Lymphovascular invasion | |
| Present, n (%) | 80(19.6%) |
| Absent, n (%) | 328(80.4%) |
| Perineural invasion | |
| Present, n (%) | 54(13.2%) |
| Absent, n (%) | 354(86.8%) |
| Disease stage at diagnosis | |
| I-III, n (%) | 317(77.7%) |
| IV, n (%) | 91(22.3%) |
| MMR | |
| pMMR, n (%) | 380(93.1%) |
| dMMR, n (%) | 15(3.7%) |
| Unknown, n (%) | 13(3.2%) |
Abbreviation: MMR, mismatch repair.