Primary endpoints were per-visit and cumulative AF burden (i.e.,percentage of time
in AF) in the Holter recordings. The episodes lasting less than 60 s and those not detected
by Holter were not included in AF burden analysis. However, all sustained AF episodes
(N60 s) detected by any means were counted when evaluating freedom from AF.
Secondary outcome measures evaluated included freedom from any AF and freedom
from symptomatic AF and quality of life.Serious adverse events were recorded as
described previously[8,9]