Clinical and Prognostic Significance of Idiopathic Left Bundle-Branch Block in Young Adults

Table 3

Follow-up data. One patient suffered accidental death.

Mean follow-up duration ± SD (yrs)	12 ± 10
Median age at the end of follow-up (yrs)	48
Stable LBBB n (%)	53/56 (95%)
Intermittent LBBB n. (%)	3/56 (5%)
Events during follow-up n. (%)
Death	0 (0%)
SD	0 (0%
PM implantation	2 (3.5%)
Heart failure	1 (1.7%)
Acute myocardial infarction	1 (1.7%)