TABLE 3.

Univariate and multivariate Cox regression analysis of the risk score and clinical parameters in LSCC patients.

Variables	Univariate analysis		Multivariate analysis
	HR (95% CI)	P-value	HR (95% CI)	P-value
Age	1.0189 (1.0042–1.0338)	0.0116	1.0158 (1.0007–1.0311)	0.0405
pM	1.2810 (1.0533–1.5580)	0.0131	1.2609 (1.0328–1.5395)	0.0228
pN	1.1680 (0.9839–1.3866)	0.0761	1.0929 (0.8826–1.3533)	0.415
pT	1.3538 (1.1272–1.6259)	0.0012	1.3019 (1.0287–1.6476)	0.0281
Gender	0.8031 (0.5752–1.1213)	0.1978	0.8395 (0.5981–1.1783)	0.3118
Tobacco_smoking_history	0.8829 (0.7805–0.9987)	0.0476	0.8667 (0.7634–0.9841)	0.0273
Tumor_stage	1.2859 (1.1008–1.5020)	0.0015	1.0861 (0.8593–1.3729)	0.4895
Tigarettes_exposures (per_day)	1.0021 (0.9295–1.0803)	0.9571	1.0079 (0.9345–1.0870)	0.8388
Risk score	1.5196 (1.3462–1.7155)	1.32E–11	1.5480 (1.3577–1.7649)	6.62E-11