Table 3.

Multivariate analysis of prognostic factors in OC patients.

Variables	Multivariable analysis
	Hazard ratio	95% CI	P value
FIGO stage
I–II vs. III–IV	1.74	(1.26–2.27)	0.0210
Residual tumor size (cm)
Positive vs. Negative	1.56	(1.13–1.88)	0.0514
Histological grade
1+2 vs. 3	1.63	(1.24–2.33)	0.0352
Sam68 expression
High vs. Low	1.97	(1.52–3.06)	0.0073