Table 2.

Clinical parameters for participants with endometriosis.

Characteristics	No treatment (N = 12)	COC (N = 12)	P
Indication of surgery, n (%)
(i) Dysmenorrhea/pelvic pain	8 (66.7)	10 (83.3)	0.115
(ii) Persistent ovarian cyst	2 (16.7)	2 (16.7)
(iii) Infertility	2 (16.7)	0
Laterality of ovarian cyst, n (%)
(i) Unilateral	10 (83.3)	9 (75)	1.000
(ii) Bilateral	2 (16.7)	3 (25)
Diameter of ovarian cyst (cm) (mean ± SD)	4.7 ± 1.4	4.8 ± 1.3	0.884
Type of previous surgery, n (%)
(i) Previous C/S	2 (16.8)	0	0.478
(ii) Previous C/S with TL	0	0
Operative time (min) (mean ± SD)	117.5 ± 26.4	122.5 ± 30.9	0.674
Blood loss (ml) (mean ± SD)	57.9 ± 40.0	89.6 ± 67.0	0.174

COC: combined oral contraceptive; C/S: cesarean section; TL: tubal ligation.