Table 3. Univariate and multivariate analyses on the overall survival of 102 cases of ovarian cancer.

	Univariate analysis			Multivariate analysis
	HR	P > |z|	95% CI	HR	P > |z|	95% CI
SPAG5 expression
High versus low	4.61	0.001*	2.511–8.454	3.05	0.001*	1.547–6.031
Age (years)
≥60 versus <60	1.26	0.412	0.723–2.204
Tumour size (cm)
>5 versus ≤5	2.30	0.055	0.984–5.372
Histological type
Serous versus mucinous versus Endometroid versus clear cell	1.28	0.140	0.921–1.784
Pathological grade
Grade 1 and 2 versus Grade 3	0.62	0.022*	0.408–0.933	0.94	0.785	0.622–1.431
Lymph node metastasis
Positive versus negative	3.62	0.001*	2.150–6.110	1.05	0.877	0.549–2.022
Distant metastasis
Positive versus negative	4.56	0.001*	2.604–7.987	3.37	0.138	0.677–16.761
TNM stage
Stage I versus Stage II versus Stage III versus Stage Stage IV	0.25	0.001*	0.163–0.392	0.13	0.005*	0.031–0.543

^*P < 0.05