Table 1.
Univariate analyses for prognostic variables of overall survival and disease free survival in colorectal cancer patients using Cox proportional-hazards regression
| Characteristic | Overall survival | Disease-free survival | ||||
|---|---|---|---|---|---|---|
| HR | 95% CI | P | HR | 95% CI | P | |
| Age (years) | 0.388 | 0.889 | ||||
| ≦ 60 | 1.0 | 1.0 | ||||
| > 60 | 1.221 | 0.776–1.921 | 0.967 | 0.607–1.542 | ||
| T stage | < 0.001 | < 0.001 | ||||
| 1 | 1.0 | 1.0 | ||||
| 2 | 2.281 | 0.796–6.537 | 1.404 | 0.529–3.726 | ||
| 3 | 3.129 | 1.078–9.084 | 2.654 | 1.008–6.988 | ||
| 4 | 7.692 | 2.653–22.301 | 5.250 | 1.980–13.925 | ||
| Lymph node metastasis | 0.001 | < 0.001 | ||||
| Negative | 1.0 | 1.0 | ||||
| Positive | 2.255 | 1.415–3.593 | 2.791 | 1.704–4.570 | ||
| Distant metastasis | < 0.001 | < 0.001 | ||||
| Negative | 1.0 | 1.0 | ||||
| Positive | 5.266 | 2.966–9.351 | 5.111 | 2.806–9.307 | ||
| TNC | 0.008 | 0.011 | ||||
| Negative | 1.0 | 1.0 | ||||
| Positive | 1.894 | 1.182–3.035 | 1.893 | 1.158–3.094 | ||