The changes in aPPG correlated weakly with age (r2 = 0.0055, p = 0.0002), duration of diabetes (r2 = 0.0021, p = 0.0204), and baseline eAG (r2 = 0.0111, p < 0.0001) but not with BMI (r2 = 0.0002, p = 0.4843). Here, KCNH1 is linked to diabetes mellitus.