NPPB and cardiomyopathy: Sacubitril/valsartan was associated with lower N-terminal pro-B-type natriuretic peptide (NT-proBNP) levels (MD = -427.50, P = 0.009) and better Kansas City Cardiomyopathy Questionnaire (KCCQ) scores (MD = 1.64, P < 0.00001).