IGF1 and type 2 diabetes mellitus: For rs35767 (IGF1), frequency of the T allele was significantly higher in T2DM patients than that in controls (0.28 versus 0.20, P = 0.029), although did not show the statistical significance after age, gender and BMI adjusted [OR (95% CI): 1.48(10.98–2.23, P = 0.062)] (Table 2).