Table 2

 Baseline characteristics stratified according to rhythm before device closure

History of arrhythmias before closureRhythm at the time of closure Sinus rhythmp Value
No arrhythmia (n = 112)Paroxysmal arrhythmias (n = 14)Persistent atrial fibrillation (n = 6)
Values are mean (SD) or n (%).
*Includes symptoms of palpitations, presyncope, syncope, shortness of breath, or neurological symptoms consistent with a cerebrovascular event.
NYHA, New York Heart Association functional classification.
Length of follow up (months)17 (12)15 (11)9 (2)0.16
Age at closure (years)42 (15)54 (17)67 (10)<0.001
Symptoms*70 (63%)13 (93%)6 (100%)0.02
NYHA class ⩾241(37%)9 (62%)5 (83%)0.02
More that one defect11(10%)01/6 (2%)0.40
Size of defect (mm)15 (5)16 (4)13 (4)0.36
Right ventricular dilatation (n = 127)87 (81%)13 (93%)5 (100%)0.30
Right ventricular dysfunction (n = 113)15 (15%)3 (27%)2 (40%)0.26