Table 2. Univariate and multivariate cox regression analysis based on risk factors.

Characteristic	Univariate analysis			Multivariate analysis
	HR	HR (95% CI)	P-value	HR	HR (95% CI)	P-value
Age	1.039	(1.001, 1.080)	0.047	1.042	(1.000, 1.086)	0.051
Gender	4.982	(1.145, 21.675)	0.032	3.801	(0.860, 16.804)	0.078
Stage	1.741	(1.084, 2.795)	0.022	1.338	(0.795, 2.249)	0.273
Risk Score	1.106	(1.041, 1.175)	<0.001	1.023	(1.005, 1.042)	0.014

Abbreviations: CI: Confidence interval; HR: Hazard ratio.