Table 2.

Univariate and multivariate analysis for PFS and OS in all patients with OMC

	Progression-free survival				Overall survival
	Univariate analysis		Multivariate analysis		Univariate analysis		Multivariate analysis
Variables	HR (95 % CI)	p-value	HR (95 % CI)	p-value	HR (95 % CI)	p-value	HR (95 % CI)	p-value
Age (years)
≥51 vs. <51	0.51 (0.17–1.42)	0.20			0.71 (0.20–2.35)	0.57
FIGO stage
I vs. II, III, IV	0.11 (0.04–0.32)	< 0.01	0.12 (0.02–0.61)	0.01	0.06 (0.01–0.22)	< 0.01	0.09 (0.01–0.84)	0.04
Residual tumor at PDS
Optimal vs. Suboptimal	0.17 (0.06–0.50)	< 0.01	0.95 (0.20–3.55)	0.94	0.09 (0.02–0.29)	< 0.01	0.37 (0.05–1.68)	0.21
Invasive pattern
Infiltrative invasion vs. Expansile invasion	8.69 (2.37–55.86)	< 0.01	9.01 (2.28–61.41)	< 0.01	12.52 (2.37-230.59)	< 0.01	17.56 (2.58-393.24)	< 0.01

Abbreviations: PFS Progression-free survival, OS Overall survival, OMC ovarian mucinous carcinoma, HR hazard ratio, CI confidence interval, PDS primary debulking surgery