Table 3. Baseline characteristics of PCOS patients by total testosterone levels: upper 50% (1.6-5.6 nmol/L) vs. lower 50% (0.30-1.50 nmol/L).

Variable	Lower 50% TT, (n=32)	Upper 50% TT, (n=35)	p-value
Female age (years)	30.1±3.2	30.8±3.3	0.37
Duration of infertility (years)	2.3±2.0	3.7±2.7	0.04
Parity	0.3±0.6	0.1±0.4	0.11
Gravidity	0.9±1.2	0.3±0.7	0.02
Baseline FSH (IU/L)	5.7±1.1	5.6±1.6	0.78
Baseline LH (IU/L)	6.9±5.2	10.0±6.8	0.04
Baseline estradiol (pmol/L)	168.6±82.4	302.0±377.7	0.06
Prolactin (mcg/L)	10.0±3.1	10.4±5.5	0.70
TSH (mIU/L)	1.7±0.9	2.4±1.9	0.04
Total testosterone (nmol/L)	0.9±0.4	2.3±0.9	0.001
Antral follicle count	45.6±22.7	48.9±17.7	0.53
Male age (years)	34.5±5.4	33.9±4.6	0.68
Sperm concentration (mil/mL)	35.0±28.3	46.1±44.0	0.24
Ejaculate volume (mLl)	2.9±1.2	2.4±1.2	0.12
Semen motility (%)	39.1±29.3	44.9±30.2	0.41
Total motile sperm count (Mil)	58.7±76.3	77.3±119.9	0.47
FSH total dose (IU)	1199.5±424.4	1402.1±552.2	0.11
Peak estradiol during stimulation (nmol/L)	11561.9±3802.5	13318.9±7716.2	0.24
Peak endometrial thickness (mm)	10.1±2.2	10.3±1.9	0.69

Data are presented as mean ± standard deviation, PCOS: Polycystic ovary syndrome, TT: Total testosterone, FSH: Follicle-stimulating hormone, LH: Luteinizing hormone, TSH: Thyroid stimulating hormone