Table 4.

Univariate and multivariate analyses of the clinicopathological factors for OS

Variable	Univariate analysis			Multivariate analysis
	HR	95% CI	p value	HR	95% CI	P value
Age	1.486	0.547-4.039	0.438
Tumor size	2.408	0.845-6.866	0.100
Lymph node metastasis	16.077	4.829-53.531	<0.001*	--	--	--
FIGO staging	6.902	3.092-15.407	<0.001*	4.234	1.431-12.527	0.009*
IMP3	4.809	2.158-10.719	<0.001*	--	--	--

^*p<0.05.

HR: hazard ratio.