Table 2. Univariate regression analyses on the survival analysis of age, gender, and risk status in The Cancer Genome Atlas (TCGA) data set.

	Beta	HR (95% CI for HR)	Wald. test	P value
Age	0.3	1.3 (0.91–2)	2.2	0.14
Gender	–0.067	0.94 (0.65–1.3)	0.14	0.71
Stage2	1	2.8 (1.9–4.1)	30	4.20E-08
T2	0.91	2.5 (1.5–4)	14	0.00017
N2	0.93	2.5 (1.7–3.8)	20	8.10E-06
Risk	–1.3	0.28 (0.19–0.41)	41	1.70E-10