Table 3

 Rates of atrial arrhythmias in early and medium term follow up

History of arrhythmiasRhythm at the time of closure Sinus rhythmp Value
No arrhythmiaParoxysmal arrhythmiasPersistent atrial fibrillation
NA, not applicable (all patients were in persistent atrial fibrillation after device insertion).
Early arrhythmic events6%33%100%<0.001
Paroxysmal arrhythmias in follow up1%/year17%/yearNA0.003
Persistent arrhythmias in follow up0 %/year11%/year100%/year<0.001