Predictive factors for the presence of IR in women with PCOS were BMI (OR: 1.211, 95% CI 1.147-1.279), A (OR: 1.067 95% CI 1.022-1.114) and FAI (OR: 1.105, 95% CI 1.049-1.165), while the protective factor was SHBG (OR: 0.985, 95% CI 0.976-0.994). Here, SHBG is linked to polycystic ovary syndrome.