Table 3.

Cox regression analysis of progression-free survival in epithelial ovarian cancer patients

Variable	Univariate analysis			Multivariate analysis
	HR	Hazard ratio 95% confidence interval	P	HR	Hazard ratio 95% confidence interval	P
Age (< 50 years vs. ≥ 50 years)	1.115	0.452–2.749	0.814	0.59	0.185–1.880	0.372
FIGO stage (I–II vs. III–IV)	5.684	1.964–16.456	0.001**	6.655	1.769–25.040	0.005**
BCL9 expression (low vs. high)	3.382	1.432–7.988	0.005**	3.721	1.230–11.253	0.020*
Lymph node metastasis (yes vs. no)	2.628	1.082–6.387	0.033*	1.186	0.424–3.316	0.746

**P < 0.01. *P < 0.05