Table 3.
Univariate and multivariate analyses of the prognostic model.
| Clinical characteristics | Univariate Cox | Multivariate Cox | ||||
|---|---|---|---|---|---|---|
| HR | 95%CI | P | HR | 95%CI | P | |
| Training group (N=102) | ||||||
| Age (years, mean ± SD) | 1.039 | 0.513-1.994 | 7.88E-01 | 1.004 | 0.964-1.045 | 8.62E-01 |
| Pathological stage (I/II/III/IV/-) | 4.465 | 2.197-9.824 | 4.57E-05 | 3.348 | 1.649-7.355 | 1.07E-03 |
| Radiotherapy (Yes/No/-) | 0.877 | 0.246-3.126 | 8.40E-01 | 0.833 | 0.507-2.730 | 3.77E-01 |
| PS model status (High/Low) | 10.06 | 2.164-16.75 | 2.64E-04 | 2.512 | 1.552-9.978 | 1.75E-02 |
| Validation group (N=298) | ||||||
| Age (years, mean ± SD) | 1.024 | 1.012-1.036 | 9.94E-05 | 1.022 | 1.007-1.037 | 3.31E-03 |
| Pathological stage (I/II/III/IV/-) | 1.625 | 1.201-2.197 | 1.57E-03 | 1.687 | 1.249-2.278 | 6.46E-04 |
| Radiotherapy (Yes/No/-) | 0.841 | 0.601-1.177 | 3.13E-01 | 0.853 | 0.564-1.290 | 4.51E-01 |
| PS model status (High/Low) | 1.437 | 1.050-1.966 | 2.27E-02 | 1.541 | 1.071-2.219 | 1.98E-02 |
CI, confidence interval; HR, hazard ratio. The bold values represent statistically significant (P < 0.05).