Table 1. Clinical Characteristics of PCOS and control subjects.
Discovery | Replication | |||
Control(n = 198) | PCOS(n = 335) | Control(n = 306) | PCOS(n = 396) | |
Age (yr) | 32.5 (17.0) | 27.0 (11.1)* | 51.0 (23.7) | 28.0 (9.0)* |
BMI (kg/m2) | 24.7 (5.9) | 33.4 (14.7)* | 25.9 (8.3) | 34.9 (12.3)* |
Total testosterone (nmol/l) | 1.40 (0.94) | 2.63 (1.14)* | 1.0 (0.52) | 2.43 (1.11)* |
DHEAS (µmol/l) | 2.58 (2.04) | 5.68 (4.57)* | 3.70 (1.75) | 5.72 (3.94)* |
Insulin (pmol/l) | 41.4 (39.0) | 96.0 (108.0)* | 72.0 (45.0) | 126.0 (96.0)* |
Glucose (mmol/l) | 4.77 (0.56) | 4.77 (0.72) | 5.01 (0.68) | 4.86 (0.64) |
HOMA-IR | 0.95 (0.84) | 2.01 (2.13)* | 1.58 (0.96) | 2.69 (1.83)* |
HOMA-%B | 104.1 (57.0) | 166.9 (108.8)* | 129.5 (58.3) | 196.6 (81.0)* |
*P<0.001 compared to control group. Data are median (interquartile range). In the replication cohort, androgen measurements were available only in the cases and controls recruited by R. S. Legro.
Abbreviations: BMI: body mass index; mFG: modified Ferriman-Gallwey hirsutism score; NA: Data not Available; HOMA-IR, homeostasis model assessment of insulin resistance; HOMA-%B, homeostasis model assessment of beta-cell function (insulin secretion).