TABLE 2.

Characteristics of Endo and non‐Endo groups

	Endo group	Non‐Endo group		p‐value
	(n = 18)	(n = 18)
Age (years, mean ± SD)	37.9 ± 6.4	35.2 ± 8.6		0.29
Range in age (years)	27–49	20–49
Parity (n, mean ± SD)	0.6 ± 0.8	1.1 ± 1.3		0.29
Gravidity (n, mean ± SD)	0.4 ± 0.8	0.8 ± 1.0		0.18
Body mass index	22.4 ± 2.9	23.0 ± 4.9		0.99
Type of tumor	Endometriosis	Mature cystic teratoma	n = 14
		Mucinous cyst adenoma	n = 2
		Paraovarian cyst	n = 1
		Struma ovarii	n = 1
Site of lesion (n)
Bilateral	10	1
Unilateral	8	17
Maximum diameter of tumor (cm, mean ± SD)	6.2 ± 2.8	7.7 ± 3.0		0.17
Revised ASRM staging
Stage Ⅲ	5
Stage IV	13
Hormone use within 3 months of surgery (n)	4	1		0.34