Table 3. Univariate analysis and multivariate proportional hazards model for DFS.

	Univariate	Multivariate
	P-value	Hazard ratio	95% CIa	P-value
Peritoneal cytology	0.52
Positive		0.83	0.24–2.88	0.77
Age (y)	0.005
Over 60		2.23	0.93–5.32	0.06
Myometrial invasion	0.006
<1/3		1.94	0.23–16.04	0.53
1/3–2/3		2.16	0.23–19.85	0.49
>2/3		3.63	0.39–33.74	0.25
Histologic grade	<0.0001
Grade 2		1.32	0.40–4.30	0.63
Grade 3		3.46	1.21–9.92	0.02
Cervical involvement	0.007
Mucosal		3.47	0.86–14.01	0.07
Stromal		0.55	0.12–2.48	0.44

^a95% confidence interval.