NPPB and heart failure: Of note, when considering a combined endpoint of all-cause mortality, heart failure hospitalization, myocardial infarction, and arrhythmias, at the multivariable analysis EAT remained also independently associated with the endpoint [HR 1.005 (1.001–1.009), P = 0.008] together with NT-proBNP and DLCO (data not shown in the tables).