NPPB and heart failure: These predictors included body mass index, systolic pressure, pulse pressure, red blood cell count, neutrophil to lymphocyte ratio, total serum cholesterol levels, serum chlorine levels, international normalized ratio, aspartate aminotransferase levels, NT-proBNP levels, left ventricular end-diastolic dimension (LVDd), medical history, presence of respiratory inflammation, in-hospital worsening heart failure, Dopamine Injection, and use of ACEIs or ARBs.