Table 1.

Clinical data distribution.

Data	Classification	Number of cases	Ratio (%)
Age	<40 years	4	5.56
	40–49 years	19	26.39
	50–59 years	28	38.89
	61–69 years	20	27.78
	≥70 years	1	1.39
Menopausal status	Postmenopausal	40	55.56
	Not postmenopausal	32	44.44
Ovarian cancer stage	Stage IIA or IIB	3	4.17
	Stage IIIA or IIIB	14	19.44
	Stage IIIC	42	58.33
	Stage IVA or IVB	13	18.06
Degree of tumor differentiation	Highly differentiated	6	8.33
	Poorly differentiated	66	91.67
Histological type	Serous papillary adenocarcinoma	11	15.28
	Serous cystadenocarcinoma	61	84.72
	Clear cell adenocarcinoma	0	0