SHBG and polycystic ovary syndrome: Regarding the smoking influence, the fasting glucose (p = 0.021), both HOMA-IR (p = 0.003) and QUICKI (p = 0.006), SHBG levels (p < 0.001) and FAI (p = 0.003) improved significantly in non-smokers during the study and they showed no changes or only borderline modifications towards a better status in smoker PCOS subjects.