Table 5.

Multivariate independent prognosis analysis.

	Training group		Validation group		Overall samples
	Hazard ratio	P	Hazard ratio	P	Hazard ratio	P
Age	1.037 (1.008-1.068)	0.013	1.094 (1.037-1.155)	<0.001	1.039 (1.014-1.064)	0.002
Gender	0.625 (0.321-1.218)	0.167	2.089 (0.814-5.356)	0.125	0.904 (0.537-1.522)	0.704
Stage	2.418 (0.767-7.621)	0.132	1.793 (0.351-9.417)	0.482	2.042 (0.833-5.008)	0.119
T	1.532 (0.789-2.978)	0.208	2.171 (0.740-6.639)	0.158	1.744 (0.986-3.084)	0.056
N	1.098 (0.573-2.104)	0.777	1.731 (0.640-4.682)	0.280	1.215 (0.735-2.009)	0.447
M	1.445 (0.287-7.288)	0.655	0.773 (0.091-6.537)	0.813	1.308 (0.384-4.459)	0.667
Risk score	1.056 (1.021-1.092)	0.002	1.178 (1.071-1.295)	<0.001	1.059 (1.030-1.089)	<0.001