Table 5.

COX multivariate regression analysis on risk assessment of ovarian cancer.

Parameter	B	S.E.	Wald	Sig.	Exp (B)	95%CI for Exp (B)
						Lower	Upper
First childbearing age (<20 vs. ≥20)	−0.449	0.733	0.376	0.54	0.638	0.152	2.682
Last childbearing age (<40 vs. ≥40)	−1.358	0.559	5.909	0.015*	0.257	0.086	0.769
Menstruation (premenopause vs. postmenopause)	0.157	0.803	0.038	0.845	1.17	0.243	5.646
Abortion (N vs. Y)	0.078	0.935	0.007	0.934	1.081	0.173	6.753
Degree of differentiation (mid-high vs. low)	−0.951	0.422	5.088	0.024*	0.386	0.169	0.883
FIGO staging (I vs. II/III vs. IV)	−1.526	0.858	3.163	0.075	0.217	0.04	1.169
SYMD3 VNTR (2/2+2/3 vs. 3)	2.238	0.507	19.472	<0.001*	9.371	3.468	25.316

CI – confidence interval;

^*represents that P<0.05;

N – no; Y – yes.