Journal of Ovarian Research

Table 3 Prognostic factors for progression-free survival (PFS) and overall survival (OS) of ovarian clear cell carcinoma patients

From: Endometriosis does not confer improved prognosis in ovarian clear cell carcinoma: a retrospective study at a single institute

Variables	5 year-PFS %	p value^a	p value^b	HR (95%CI)	5 year-OS %	p value^a	p value^b	HR (95%CI)
Endometriosis		0.001	0.295			0.013	0.677
With	87.9				89.4
Without	53.3				67.7
Age (years)		0.628				0.550
< 60	72.0				79.6
≥60	47.8				69.6
CA-125 (U/mL)		0.001	0.620			0.142
< 200	76.6				80.0
≥200	38.4				64.4
Parity		0.342				0.382
0	70.8				89.5
≥1	53.6				75.9
Laterality		0.034	0.093			0.028	0.360
Unilateral	70.1				79.3
Bilateral	46.7				56.2
Tumor diameter		0.084	0.662			0.236
< 10	77.7				83.4
≥10	59.8				70.0
Comprehensive staging		0.348				0.070	0.441
Yes	68.6				79.0
No	58.9				56.2
Residual lesion		0.000	0.126			0.001	0.731
Yes	72.8				82.6
No	25.0				33.3
Ascites		0.000	0.016			0.001	0.052
Yes	45.9			2.78 (1.21–6.47)	60.8
No	82.0			2.78 (1.21–6.47)	87.6
Lymph nodes status		0.000	0.324			0.012	0.395
Positive	33.3				58.3
Negative	76.0				85.6
FIGO stage		0.000	0.033	1.61 (1.04–2.49)		0.000	0.874
I	88.8				89.9
II	55.6				80.2
III	22.4				45.5
IV	33.3				33.3
Chemotherapy cycles		0.050	0.290			0.421
≥6	72.5				78.4
> 6	49.9				69.5
Chemosensitivity		0.000	0.000	101.60 (29.45–350.49)		0.000	0.000	109.55
Sensitive	87.3				96.5			(23.46–511.51)
Resistant	0				9.2			(23.46–511.51)

^alog-rank test; ^b Cox-proportional hazards model

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ISSN: 1757-2215

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