INS and type 2 diabetes mellitus: The same trend with the correlations of VAI being the strongest with HOMA-IR and insulin, respectively, were reported in the study by Amato et al. among the T2DM patients (r = 0.32 and r = 0.33, respectively) and in a study by Jabłonowska-Lietz et al. in 106 obese subjects (r = 0.46 and r = 0.44, respectively).