NPPB and diabetes mellitus: In this study, we found that the relationship between Log2 NT-proBNP and MACE was nonlinear (Figure 2) after adjusting for sex, age, number of implanted stents, number of used balloons, hypertension, hyperlipidemia, diabetes, smoking, time from symptom onset to balloon dilatation, time from admission to balloon dilatation, Killip class, pre-PCI TIMI grade, post-PCI TIMI grade, and TIMI risk score.