NPPB and myocardial infarction: CAD and history of MI are the states related to higher NT-proBNP levels (242 (157–794) and 273 (154–863), pg/mL, respectively) when compared to the healthy state (120.5 (73.5–234.75) and 163 (77–268), pg/mL, respectively) (p = 0.0016 and p = 0.0311, respectively).