Table 1 Clinical and endocrine characteristics of control women (CE) and women with PCOS with (PCOSE-HI) or without hyperinsulinemia (PCOSE-NI).

Age, y

39.3 ± 1.8

25.2 ± 1.1

28.4 ± 0.9

Body mass index

26 ± 2.3

28.7 ± 2.1

33.9 ± 1.1^a

Estradiol, pg/mL

73.8 ± 22.4

63.4 ± 7.9

59 ± 4.2

Progesterone, ng/mL

0.6 ± 0.2

0.6 ± 0.1

0.5 ± 0.1

Androstenedione, ng/mL

1.6 ± 0.4

3.1 ± 0.4^a

2.5 ± 0.7

Testosterone, ng/mL

0.3 ± 0.1

0.8 ± 0.1^a

0.8 ± 0.1^a

SHBG, nmol/mL

51.7 ± 9.5

25.8 ± 2.3

22.8 ± 4.1

Free-androgen index

3.1 ± 1.1

10.3 ± 2.0^a

10.7 ± 2.0^a