Table 1

 Patients’ characteristics at first admission

A (n = 35)B (n = 35)C (n = 44)Total (n = 114)
Data are mean (SD) or number.
*p<0.005, **p<0.006, ***p<0.009, ****p<0.0001 v A and B; †p<0.04 v A.
LVEDV, left ventricular end diastolic volume indexed to body surface area; LVEF, left ventricular ejection fraction.
Boys/girls16/1915/2018/2649/65
Age (months)20.9 (12.4)29.8 (28)54.5 (59.2)***36.6 (42.8)
    Range3.6–60.12.7–127.10.7–237.30.7–237.3
Weight (kg)11.4 (4.2)13.5 (8.9)17.6 (13)**14.5 (10.0)
    Range6–305.1–503.2–503.2–50
Familial cases0 (0%)4 (11.4%)3 (47%)7 (6%)
LVEF (%)30 (7)26 (8)†23 (8)****26.4 (8.5)
    Range15–4310–5114–4810–51
LVEDV (ml/m2)91 (12)96 (17)105 (12)*98.1 (15.1)
    Range65–11545–13014–13810–138