KCNJ5 and hypertensive disorder: In univariate analysis (Table 3), aortic wall thickness at the SMA level was associated with KCNJ5 mutations (P=0.001) and the duration of hypertension (P=0.044), and aortic wall thickness at the IMA level was associated with KCNJ5 mutations (P=0.001), potassium (P=0.034) and creatinine (P=0.002) levels.