High creatinine (98 vs. 87 μmol/L; p < 0.001), glycaemia (7.92 vs. 7.00 mmol/L; p < 0.001) and NT-proBNP levels (2450 vs. 542 pg/mL; p < 0.001) were observed in AF patients. Here, NPPB is linked to atrial fibrillation.