Median levels of the GA/A1c ratio and the eAG/fPG ratio in patients with T1DM were 2.82 and 1.03, which were significantly different from the values of the parameters in those with T2DM (2.21 and 1.48, resp., P < 0.05) (Table 1). This evidence concerns the gene KCNH1 and type 1 diabetes mellitus.