NPPB and diabetes mellitus: Univariable linear regression analysis revealed that several patient characteristics (confounders), such as age, gender, BMI, diabetes, hypertension, history of PCI, follow-up levels of non-HDL-C and HDL-C, hemoglobin, estimated glomerular filtration rate (eGFR), NT-proBNP, uric acid, fasting blood glucose, beta-blocker, statin, ezetimibe, and intensive statin, were associated with the average levels of NLR (P-value < 0.1).