Table 1.

Clinical variables of Korean primary ovarian insufficiency (POI) patients and control subjects.

Characteristics	Controls (227)	POI Patients (143)	p
Age (years) mean ± SD (range)	33.34 ± 5.70 (23–43)	31.34 ± 4.97 (21–43)	NS
FSH (mIU/mL) mean ± SD	8.12 ± 2.85	66.46 ± 14.11	<0.0001
LH (mIU/mL) mean ± SD	3.32 ± 1.761	26.23 ± 10.68	<0.0001
Estradiol (pg/mL) mean ± SD	26 ± 14.75	7.93 ± 2.59	<0.0001

Abbreviations: SD, standard deviation; NS, not significant; FSH, follicle-stimulating hormone; LH, luteinizing hormone; POI, primary ovarian insufficiency; p values were calculated using the t test.