NPPB and diabetes mellitus: Statistically significant differences (P < 0.05) were observed in age, diabetes mellitus, sST2 level, neutrophil-to-lymphocyte ratio (NLR), fasting blood sugar, N-terminal pro-B-type natriuretic peptide (NT-proBNP), MB isoenzyme of creatine kinase (CK-MB), and cardiac troponin I (cTNI).