Table 2 Multivariate 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-value | HR | 95% CI | P-value | |
Age (years) | 0.107 | 0.606 | ||||
≦ 60 | 1.0 | 1.0 | ||||
> 60 | 1.506 | 0.916–2.477 | 1.141 | 0.691–1.883 | ||
T stage | 0.131 | 0.641 | ||||
1 | 1.0 | 1.0 | ||||
2 | 2.461 | 0.836–7.242 | 1.530 | 0.553–4.233 | ||
3 | 1.964 | 0.415–9.286 | 1.204 | 0.249–5.811 | ||
4 | 3.839 | 0.682–21.604 | 1.796 | 0.324–9.942 | ||
Lymph node metastasis | 0.419 | 0.187 | ||||
Negative | 1.0 | 1.0 | ||||
Positive | 1.613 | 0.506–5.142 | 2.308 | 0.667–7.987 | ||
Distant metastasis | 0.004 | 0.008 | ||||
Negative | 1.0 | 1.0 | ||||
Positive | 3.307 | 1.466–7.462 | 3.230 | 1.365–7.642 | ||
TNC | 0.001 | 0.002 | ||||
Negative | 1.0 | 1.0 | ||||
Positive | 2.192 | 1.356–3.545 | 2.234 | 1.353–3.688 | ||