NPPB and myocardial infarction: Finally, some parameters related to the PCI procedures [e.g., complete revascularisation, thrombolysis in myocardial infarction (TIMI) grade flow, etc.] or laboratory tests (e.g., NT-proBNP levels) were not collected and/or could not be incorporated into the CCC–ACS CS score, which may affect the discrimination power.