NPPB and atrial fibrillation: 27.5%; p < 0.001), larger left atrial diameter (44.9 ± 2.1mm versus 39.0 ± 3.5mm; p < 0.001), higher plasma NT-proBNP level (347.80 ± 35.80 pg/mL versus 204.50 ± 56.35 pg/mL; p = 0.012) when compared to patients without AF recurrence.