SMUG1 and coronary artery disorder: As shown in Table 2 and Fig. 2A, FPG (p < 0.001), HbA1c (p < 0.001), ADMA (p = 0.034), CAD history (p < 0.001), aspirin use (p = 0.013), and OHAs use (p < 0.001) were significantly correlated with amygdalar FDG activity in univariate analysis.