INS and polycystic ovary syndrome: Additionally, PCOS exhibited positive correlations with insulin (r = 0.204, P < 0.001), HOMA-IR (r = 0.190, P < 0.001), TC (r = 0.174, P < 0.001), TG (r = 0.263, P < 0.001), and LDL (r = 0.252, P < 0.001).