TCF7L2 and type 2 diabetes mellitus: Likewise, in the ROC analysis, the AUC for the TCF7L2 SNP (additive model) for T2D prevalence in PREDIMED participants was higher in non-obese (AUC: 0.58; p = 1.37 × 10−17) than in obese subjects (AUC: 0.53; p = 1.4 × 10−4) (Supplementary Materials Figure S2).