Table 1.

Baseline characteristics of the study population

Age (y)	45.9 ± 12.5
Male gender	32 (52.4%)
Hypertension	14 (22.9%)
Diabetes mellitus	2 (3.2%)
Coronary artery disease	8 (13.1%)
Previous ICD implantation	4 (6.5%)
LVEF	59.2 ± 5.1%
Palpitations	47 (77%)
Pre‐syncope	18 (29.5%)
Syncope	7 (11.4%)
Dyspnea	4 (6.5%)
Medical therapy resistance	26 (87)

Abbreviations: ICD, implantable‐cardioverter defibrillator; LVEF, left ventricular ejection fraction.