HNF1A and type 2 diabetes mellitus: The HNF-1 alpha-GG and HNF-1 alpha (GT+TT) genotypes were strongly related with T2D susceptibility in the dominant inheritance model, with odd ratios of 2.30 (95% CI) (1.3316 to 3.9885) and 1.49 (1.1526 to 1.9425) and p = 0.0029, respectively.