The discriminative capacity of the NNRS and health status measures for having NT-proBNP >1,000 pg/mL at 12 months was assessed and compared with baseline or follow-up health status measures including Kansas City Cardiomyopathy Questionnaire Overall Summary Score (KCCQ-OSS), Duke Activity Status Index (DASI), and 6-minute walk distance. This evidence concerns the gene NPPB and cardiomyopathy.