| Univariate analysis | Multivariate analysis | |||||
---|---|---|---|---|---|---|---|
HR | 95% CI | P-value | coefficient | HR | 95% CI | P-value | |
Model group | |||||||
 Gender (male/female) | 0.883 | 0.586–1.33 | 0.551 | − 0.247 | 0.781 | 0.508–1.202 | 0.261 |
 Age (high/low) | 0.591 | 0.381–0.917 | 0.018 | 0.161 | 1.175 | 0.765–1.804 | 0.463 |
 AJCC stage (IV, III/II, I) | 0.323 | 0.21–0.498 | < 0.001 | 1.196 | 3.306 | 1.979–5.522 | < 0.001 |
 Prognostic model (high/low) | 6.48 | 2.037–20.61 | < 0.001 | 1.499 | 4.476 | 2.706–7.403 | < 0.001 |
Validation group | |||||||
 Gender (male/female) | 0.993 | 0.66–1.496 | 0.975 | − 0.089 | 0.915 | 0.608–1.379 | 0.672 |
 Age (high/low) | 0.942 | 0.627–1.415 | 0.773 | 0.712 | 2.037 | 1.330–3.120 | < 0.001 |
 AJCC stage (IV, III/II, I) | 0.270 | 0.163–0.448 | < 0.001 | 1.206 | 3.341 | 2.185–5.107 | < 0.001 |
 Prognostic model (high/low) | 0.210 | 0.129–0.342 | < 0.001 | − 1.228 | 0.293 | 0.189–0.453 | < 0.001 |