NPPB and cardiac arrhythmia: The patients with arrhythmias had higher levels of log NT-proBNP (3.08 ± 0.80 vs. 2.89 ± 0.78 pg/mL, P = 0.028) and creatinine [1.01 (0.70–2.53) vs. 0.85 (0.65–1.54) mg/dL, P = 0.038].