Table 5. Baseline characteristics of PCOS patients by free testosterone levels: upper 50% (0.51 to 2.70 nmol/L) vs. lower 50% (0.07-0.50 nmol/L).

Variable	Lower 50% FT, (n=29)	Upper 50% FT, (n=30)	p-value
Female age (years)	30.4±3.3	30.4±3.5	0.99
Duration of infertility (years)	2.4±1.9	3.6±2.5	0.66
Parity	0.2±0.6	0.1±0.4	0.41
Gravidity	0.6±0.9	0.6±1.1	0.84
Baseline FSH (IU/L)	5.7±1.3	5.8±1.5	0.73
Baseline LH (IU/L)	6.1±3.8	11.2±7.2	<0.001
Baseline estradiol (pmol/L)	176.0±81.8	283.3±389.5	0.19
Prolactin (mcg/L)	10.0±3.2	10.7±5.6	0.56
TSH (mIU/L)	1.8±1.1	2.2±2.0	0.33
Total testosterone (nmol/L)	1.1±0.4	2.2±1.1	<0.001
Antral follicle count	43.6±18.2	54.5±20.9	0.06
Male age (years)	33.4±4.7	34.8±5.8	0.30
Sperm concentration (mil/mL)	38.6±33.7	43.2±40.2	0.64
Ejaculate volume (mL)	2.7±1.4	2.9±1.5	0.50
Semen motility (%)	34.6±26.2	43.7±26.0	0.054
Total motile sperm count (Mil)	51.4±86.2	67.6±107.8	0.36
FSH total dose (IU)	1235.7±491.9	1391.6±520.4	0.26
Peak estradiol during stimulation (nmol/L)	12397.5±4123.0	13680.9±7805.8	0.44
Peak endometrial thickness (mm)	10.3±2.5	10.4±1.6	0.81

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