Figure 2From: B-type natriuretic peptide versus amino terminal pro-B type natriuretic peptide: selecting the optimal heart failure marker in patients with impaired kidney function Impact of chronic kidney disease and New York Heart Association Classification on natriuretic peptides. A. Log BNP according to CKD stages and NYHA classification. B. Log NT-proBNP according to CKD stages and NYHA classification.Back to article page