NPPB and coronary artery disorder: Recently, many studies have revealed the role of hematological parameters in predicting the prognosis of patients with CHD, including BNP, N-terminal pro-brain natriuretic peptide (NT-proBNP) [12, 13], serum troponin [14], C-reactive protein (CRP) [15], Red blood cell distribution width (RDW) [16], NLR and so on.