INS and polycystic ovary syndrome: Logistic regression model showed metabolic parameters insulin (OR = 1.048, 95% CI: 1.008–1.090), P = 0.01), TG (OR = 1.024, 95% CI: 1.009–1.039), P = 0.002) in obese PCOS women and insulin (OR = 1.053,95%CI:1.012–1.095), P = 0.01), HDL (OR = 0.967, 95% CI: 0.948–0.987), P = 0.001) and TG (OR = 1.026, 95% CI: 1.011–1.041), P = 0.001) in non-obese PCOS women) were related to PCOS.