TABLE 2.

Cox regression analyses of variables with overall survival in TCGA set.

Variables		Univariate analysis			Multivariate analysis
		HR	95% CI	P	HR	95%CI	P
Age	>65/≤65	1.023	1.000–1.046	0.048	1.022	1.000–1.045	0.053
Gender	Female/Male	1.046	0.630–1.736	0.861
T stage	T3-4/T1-2	3.711	2.220–6.201	<0.001	2.406	1.325–4.370	0.004
M stage	M1/M0	6.125	3.635–10.322	<0.001	2.810	1.518–5.200	0.001
N stage	N1-2/N0	2.339	1.734–3.155	<0.001	1.678	1.176–2.394	0.004
Risk Score	High/Low	1.155	1.095–1.218	<0.001	1.128	1.064–1.196	<0.001

HR, hazard ratio; CI, confidence interval.