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Figure 2 | Critical Care

Figure 2

From: Diagnostic utility of B-type natriuretic peptide in critically ill patients with pulmonary edema: a prospective cohort study

Figure 2

Receiver operating characteristics of the diagnostic utility of B-type natriuretic peptide. True positives are patients with acute lung injury/acute respiratory distress syndrome, and true negatives are patients with congestive heart failure. Area under curve = 0.67 (95% confidence interval 0.52 to 0.81). The table provides the corresponding sensitivity, specificity, predictive values and likelihood ratios of representative B-type natriuretic peptide (BNP) values.

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