Table 1.

Baseline characteristics

Characteristic	Erasmus MC n = 478	AMC n = 109	p value
Mean follow-up (days)	762 ± 446	969 ± 185	<0,0001
Age (years)	59 ± 12	61 ± 12	NS
Male gender	374 (78%)	84 (77%)	NS
Coronary artery disease	319 (67%)	61 (56%)	0.023
Dilated cardiomyopathy	159 (33%)	45 (41%)
LVEF (%)	25 ± 8	22 ± 6	NS
ICD type
Single chamber	200 (42%)	65 (61%)	<0.001
Dual chamber	74 (15%)	38 (35%)
CRT-D	204 (43%)	4 (4%)

CRT-D cardiac resynchronisation therapy defibrillator; LVEF left ventricular ejection fraction; NA not available