CRP and coronary stenosis: Levels of IL-37, IL-18, and IL-18BP were positively correlated with C-reactive protein (CRP), N-terminal probrain natriuretic peptide (NT-proBNP), and left ventricular end-diastolic dimension (LVEDD) and were negatively correlated with left ventricular ejection fraction (LVEF), but all those three factors showed no correlation with the degree of coronary stenosis [82].