ACE2 and atrial fibrillation: T2D subjects with the high AF risk genotype of ACE2 rs2074192 (CC, P = 0.001 and < 0.001), rs4240157 (CC + CT, P = 0.006 and < 0.001), rs4646188 (TT, both P < 0.001) were further correlated with larger size of LAD, as shown in Table 3.