Table 3. Univariate and multivariate Cox regression analyses of OS in THCA.

Id	uniForest		multiForest
	HR (95% CI)	P	HR(95% CI)	P
Age	1.1487 (1.0755-1.2268)	0.0000	1.1792 (1.0740-1.2948)	0.0005
Gender	0.8983 (0.1855-4.3496)	0.8939	1.0901 (0.1747-6.8034)	0.9264
Stage	2.7939 (1.4286-5.4639)	0.0027	1.0130 (0.1371- 7.4863)	0.9899
T	2.3948 (1.0828-5.2963)	0.0311	2.0166 (0.3740-10.8724)	0.4145
M	2.3350 (0.2853-19.1078)	0.4291	2.2176 (0.1806-27.2242)	0.5336
N	2.1207 (0.5295-8.4932)	0.2883	0.4617 (0.0579-3.6835)	0.4658
riskScore	1.0201 (1.0006-1.0400)	0.0435	1.0322 (1.0013-1.0640)	0.0409

Abbreviations: OS, Overall survival; HR, hazard ratio; T, Tumor; M, Metastasis; N, Node(regional lymph node).