NPPB and atrial fibrillation: Regarding the different amyloidosis types, grade II–III LVDF determinants were respectively: NT-proBNP and NYHA class (III-IV) in AL; NYHA class (III–IV), IVST and troponin level in ATTRv; atrial fibrillation, IVST and GLS in ATTRwt (Tables S4a,b).