Table 2 Events during follow up.

	Overall (n = 65)	Symptom‐based diagnosis (n = 48)	Non‐symptom‐based diagnosis (n = 17)
Hospitalised for heart failure	22 (34%)	21 (44%)	1 (6%)
Sustained VT	4 (6%)	4 (8%)	0
Syncope	3 (5%)	3 (6%)	0
Permanent atrial fibrillation	6 (9%)	6 (13%)	0
Systemic thromboembolism	3 (5%)	3 (6%)	0
Implantation
ICD only	6 (9%)	6 (13%)	0
Biventricular pacemaker only	3 (5%)	3 (6%)	0
Biventricular pacemaker with ICD	2 (3%)	2 (4%)	0
Heart transplantation	9 (14%)	9 (19%)	0
Cause of death
Heart failure	3 (5%)	3 (6%)	0
Sudden death	3 (5%)	3 (6%)	0
Non‐cardiovascular	1 (2%)	0 (0%)	1 (6%)
Total deaths	7 (11%)	6 (13%)	1 (6%)
Cardiovascular death plus heart transplantation	15 (23%)	15 (31%)	0

HT, heart transplantation; ICD, implantable cardioverter‐defibrillator.