MEF2A and coronary artery disorder: Pearson correlation analysis showed that the plasma level of MEF2A was negatively correlated with age in the normal control group (R = -0.241, P = 0.03) (Supplementary Figure 1), and was negatively correlated with CAD after stratifying by age and gender (R = -0.286, P < 0.001) (Supplementary Figure 1).