The Comprehensive Analysis of Interferon-Related Prognostic Signature with regard to Immune Features in Ovarian Cancer

Table 3

The OS using univariate and multivariate Cox regression analysis of the signature in TCGA database.

Variable	Overall survival
	Univariate		Multivariate
	HR	value	HR	value
The signature	0.570	<0.001	0.593	0.002
Age	1.019	<0.001	1.017	0.021
Grade	1.180	0.055
Stage	1.659	0.003	1.726	0.064
Residual tumor size	0.437	<0.001	1.726	0.025
BRCA1/2 mutation	2.021	<0.001	2.030	0.001
Lymphatic invasion	1.422	0.114
Venous invasion	0.973	0.917