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Figure 2 Receiver operating characteristic curve comparing the sensitivity and specificity of B-type natriuretic peptide (BNP) in differentiating congestive heart failure (CHF) from non-CHF in patients presenting with dyspnea. Selected BNP values are indicated in pg/ml. Listed below the figure are accuracies of various cut-points of BNP. AUC = area under curve and is significant, p < 0.001.
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