KCNQ1 and type 2 diabetes mellitus: They found a significant association between KCNQ1 rs2237892 T polymorphism and T2DM in the Asian population under the allelic (OR = 1.350; P < 0.001), recessive (OR = 0.650; P < 0.001), dominant (OR = 1.450; P < 0.001), and additive genetic models (OR = 1.346; P < 0.001).