Table 4.

Univariate and multivariate analyses of prognostic factors on OS by the Cox regression model

Variables	Univariate analysis		multivariate analysis
	HR	95% CI of HR	p value	HR	95% CI of HR	p value
Age	1.361	0.520–3.558	0.530	1.776
Tumor size	0.821	0.266–2.529	0.731
Subtype	0.194	0.032–1.185	0.076
Grade	3.65	1.002–13.290	0.050*	2.952	0.816–10.681	0.099
Stage	2.22	1.289–3.821	0.004*	2.086	1.1115–3.901	0.021*
Lymph node	2.049	0.779–5.391	0.146
Ascites	2.874	0.785–10.518	0.111
CA125	1.42	0.463–4.370	0.538
CYFRA21-1	3.128	1.017–9.624	0.047*	1.094	0.307–3.897	0.890

*P < 0.05