Under high school: 1 (4.7%), diploma: 1 (4.7%), higher diploma: 19 (90.6%)
Under high school: 1 (3.8%), diploma: 1 (3.8%), higher diploma: 24 (92.4%)
Under high school: 1 (3.5%), diploma: 1 (3.5%), higher diploma: 36 (93.0%)
BMI: body mass index; PCOS: polycystic ovary syndrome. aPlacebo group represents patients given placebo. M group represents patients given metformin. PM group represents patients given pioglitazone metformin complex preparation.