TCF7L2 and type 2 diabetes mellitus: In the obese group (BMI ≥ 30 kg/m2), associations with T2D were detected in PPARG Pro12Ala (OR 0.73, P = 0.004), ADIPOQ -11,377C>G (OR = 1.25, P = 0.015), ENPP1 K121Q (OR = 1.30, P = 0.003) and TCF7L2 rs7903146 (OR = 1.30, P = 1.1 × 10-4) (Table 3).