Significant differential imbalance between all four phenogroups was found for several SNPs located in genes with known cardiomyopathy links other than DCM such as posterior myocardial infarction, the top 5 hits were EZH1, NIBAN1, C7, CDIN1, and ADPRHL1 (Fig. 4A). This evidence concerns the gene EZH1 and familial dilated cardiomyopathy.