KCNQ1 and type 2 diabetes mellitus: With regard to the Indian subgroup, no significant association was found between KCNQ1 rs2237892 C→T gene polymorphism and T2DM under the allelic (OR: 1.510; 95% CI: 1.000–2.300; P = 0.05), recessive (OR: 0.790; 95% CI: 0.100–6.160; P = 0.82), dominant (OR: 1.509; 95% CI: 0.986–2.309; P = 0.058) and additive genetic models (OR: 1.513; 95% CI: 0.998–2.295; P = 0.051) (Table 4, Figs 3 and 4).