Table 1.

Demographic description of the investigated populations

	Healthy subjects	MI survivors	ICD recipients
N	352	941	605
Females (%)	50.0	19.3	17.7
Age (years)	32.7 ± 9.1	59.9 ± 11.5	65.4 ± 11.4
Ischemic HD (%)		100	68.4
LVEF (%)		52.1 ± 12.2	28.3 ± 9.8
Primary ICD indication (%)			72.2

Numerical values shown as mean ± standard deviation, proportions of the populations shown in percent.

HD, heart disease; ICD, implantable cardioverter defibrillator; LVEF, left ventricular ejection fraction; MI, myocardial infarction; N, number of subjects.