Table 1.

Basic clinical characteristics of Control, PCOM, and PCOS groups

	Control ( n  = 9316)	PCOM ( n  = 2879)	PCOS ( n  = 3775)	P value
Age (y)	29.19 ± 2.982,3	28.06 ± 3.0791	28.05 ± 3.0731	< 0.001*
BMI (kg/m2)	22.36 ± 3.062,3	22.85 ± 3.311,3	24.34 ± 3.581,2	< 0.001*
T (ng/ml)	0.24 ± 0.102,3	0.28 ± 0.101,3	1.18 ± 6.191,2	< 0.001*
AMH (ng/ml)	2.92 ± 1.552,3	5.27 ± 2.551,3	7.55 ± 4.001,2	< 0.001*
LH/FSH	0.77 ± 0.402,3	0.98 ± 0.551,3	1.68 ± 1.121,2	< 0.001*

Data were presented as the mean ± SD. PCOS Polycystic ovary syndrome, PCOM Polycystic ovary morphology, BMI Body mass index, T Testosterone, AMH Anti-Müllerian hormone, FSH Follicle stimulating hormone, LH Luteinizing hormone

^*P: significant difference among the groups. ¹P: significant difference from the control group; ²P: significant difference from the PCOM group; ³P: significant difference from the PCOS group