Table 3.

Independent prognostic analysis in three cohorts of TCGA KIRC dataset.

Cohort	Parameters	uniCox				multiCox
		HR	HR.95L	HR.95H	P-value	HR	HR.95L	HR.95H	P-value
train	age	1.026	1.011	1.041	<0.001	1.030	1.013	1.048	<0.001
	gender	0.884	0.610	1.283	0.517	0.889	0.601	1.314	0.556
	grade	2.092	1.648	2.656	<0.001	1.321	1.007	1.732	0.044
	stage	1.866	1.590	2.191	<0.001	1.648	1.372	1.979	<0.001
	risk score	2.274	1.729	2.992	<0.001	1.606	1.191	2.165	0.002
test	age	1.031	1.005	1.058	0.019	1.029	1.000	1.059	0.051
	gender	1.171	0.647	2.118	0.602	1.235	0.678	2.251	0.490
	grade	2.731	1.821	4.095	<0.001	1.527	0.942	2.476	0.086
	stage	1.876	1.480	2.377	<0.001	1.521	1.144	2.022	0.004
	riskScore	2.388	1.601	3.562	<0.001	1.655	1.083	2.531	0.020
entire	age	1.027	1.014	1.040	<0.001	1.031	1.016	1.045	<0.001
	gender	0.961	0.702	1.316	0.806	0.981	0.710	1.354	0.907
	grade	2.254	1.836	2.767	<0.001	1.361	1.077	1.720	0.010
	stage	1.876	1.643	2.142	<0.001	1.613	1.385	1.878	<0.001
	riskScore	2.309	1.843	2.893	<0.001	1.645	1.293	2.094	<0.001

uniCox, univariate Cox regression analysis. multiCox, multivariate Cox regression analysis.