Variable	Median DFS	p Value	HR	p Value	95% CI
Variable	Univariate Analysis of DFS		Multivariate Analysis DFS
Age
≤60	50.2	p < 0.001	1.301	0.159	0.902 - 1.877
≥60	41.0	p < 0.001	1.301	0.159	0.902 - 1.877
PS
0/I	41.0	p < 0.001	0.537	0.003	0.357 - 0.810
II	8.0	p < 0.001	0.537	0.003	0.357 - 0.810
Treatment
PDS	45.0	0.01	0.537	0.03	0.357 - 0.810
IDS	33.0	0.01	0.537	0.03	0.357 - 0.810
Cytoreduction
Optimal	45.0	p < 0.001	0.023	0.05	0.007 - 0.073
Suboptimal	29.0	p < 0.001	0.023	0.05	0.007 - 0.073
Grades
I/II	53.4	0.05	0.116	0.05	0.040 - 0.334
III	41.4	0.05	0.116	0.05	0.040 - 0.334