Table 3

Clinical features of patients with dilated cardiomyopathy according to genotype

VariableC282Y presentp ValueH63D presentp Value
Yes (n=31)No (n=176)Yes (n=74)No (n=132)
Age (years)44.2 (2.9)42.4 (1.1)NS41.5 (1.7)43.2 (1.3)NS
LVDD (mm)59.9 (1.7)64.9 (0.9)0.0364.4 (1.4)63.8 (11.1)NS
LVSD (mm)45.7 (2.4)52.9 (1.1)0.0151.9 (1.7)51.8 (13.4)NS
NYHA class1.4 (0.2)1.6 (0.1)NS1.4 (0.1)1.7 (0.1)NS
Peak Vo2 (ml/kg/min)23.1 (10.2)20.9 (8.9)NS20.5 (9.3)21.6 (9.0)NS
Familial disease10 (32.3)49 (27.8)NS21 (28.4)37 (28.0)NS
Ethanol3-150 23 (79.3)127 (79.9)NS57 (82.6)93 (78.8)NS
Atrial fibrillation2 (7.4)31 (19.7)NS11 (16.4)21 (18.1)NS
Ventricular tachycardia7 (22.6)58 (33.0)NS22 (29.7)43 (32.6)NS
Change in LVDD at follow up (mm)3.6 (1.2)1.2 (0.5)NS1.1 (0.9)1.9 (0.6)NS
Death/transplant5 (16.1)48 (27.3)NS22 (29.7)30 (22.7)NS
  • Values are mean (SD) for continuous variables and n (%) for categorical variables.

  • 3-150 Consumption of > 5 units/week.

  • LVDD, left ventricular end diastolic dimension; LVSD, left ventricular end systolic dimension; NYHA, New York Heart Association functional class; Vo2, oxygen consumption.