Table 2. Univariate Cox regression analysis of potential prognostic factors for patients with CRC.
| Cohort I | Cohort II | ||||||
|---|---|---|---|---|---|---|---|
| Characteristics | No. of Patients | 5 yr SR (%) | p value | Characteristics | No. of Patients | 5 yr SR (%) | p value |
| Age | 0.311 | Age | 0.042 | ||||
| < = 60 | 25 | 72.0% | < = 60 | 190 | 90.0% | ||
| > 60 | 30 | 56.7% | > 60 | 394 | 81.0% | ||
| Gender | 0.395 | Gender | 0.534 | ||||
| Female | 29 | 58.6% | Female | 267 | 84.6% | ||
| Male | 26 | 69.2% | Male | 317 | 83.3% | ||
| Pathologic_stage | 0.100 | Pathologic_stage | < 0.001 | ||||
| I, II | 19 | 78.9% | I | 103 | 96.1% | ||
| II | 210 | 89.5% | |||||
| III, IV | 36 | 55.6% | III | 172 | 82.0% | ||
| IV | 85 | 62.4% | |||||
| Risk | 0.001 | Risk | 0.002 | ||||
| Low | 38 | 76.3% | Low | 418 | 86.8% | ||
| High | 17 | 35.3% | High | 166 | 76.5% | ||