SHBG and polycystic ovary syndrome: Pearson correlations showed that in PCOS women, ZAG negatively correlated with BMI, FAT%, TG, FIns, HbA1c, HOMA-IR, HOMA-β, AUCglucose, AUCinsulin, and positively correlated with SHBG, M-value and ADI (Table 2).