Comparison of ovarian preservation versus oophorectomy on fertility outcomes in patients with endometriosis post-laparoscopic surgery: A prospective study

Table 1 Baseline characteristics, n (%)

Characteristic	Ovarian preservation group (n = 204)	Oophorectomy group (n = 108)	P value
Age (years), mean ± SD	32.4 ± 4.8	34.1 ± 5.2	0.11
BMI (kg/m2), mean ± SD	24.6 ± 3.9	25.1 ± 4.2	0.28
Nulliparous	137 (67.2)	77 (71.3)	0.45
ASRM stage
I	22 (10.8)	9 (8.3)	0.51
II	38 (18.6)	17 (15.7)	0.54
III	81 (39.7)	46 (42.6)	0.63
IV	63 (30.9)	36 (33.3)	0.67

ASRM: American Society for Reproductive Medicine; BMI: Body mass index.