NPPB and familial dilated cardiomyopathy: Compared to controls, DCM patients were older (P = 0.022) and had lower systolic blood pressure (SBP), diastolic blood pressure (DBP), left ventricular ejection fraction (LVEF), higher left ventricular end-diastolic diameter (LVEDD), and brain natriuretic peptide (BNP) (P < 0.001, resp).