CD4 and familial dilated cardiomyopathy: Patients with DCM were more likely to be young (35 vs 43 years, p = 0.029), with lower mean systolic (116 vs 130 mmHg, p = 0.047) and diastolic (67 vs 82 mmHg, p = 0.005) blood pressures and lower CD4 cell counts (82 vs 322 cells/μl, p = 0.003).