INS and metabolic syndrome: Insulin shared this pattern, with higher concentrations in both the MetS (20.1 mIU/L [15.3-25.8 mIU/L]) and T2DM (22.9 mIU/L [10.6-29.8 mIU/L]) groups in comparison with the healthy controls (6.6 mIU/L [5.4-7.9 mIU/L]) (p < 0.001).