NPPB and atrial fibrillation: Grouping based on the presence or absence of recurrent AF revealed differences across variables such as AF duration, type of AF, left atrial diameter, left ventricular ejection fraction (LVEF) status, NT-proBNP levels, HDL levels, baseline TyG index, the use of Class II antiarrhythmic drugs, APPLE score, and CAAP-AF score; all these details are provided in Table 1.