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Figure 2 (A) BNP concentrations for the degree of CHF severity. (B) Hospital admission versus BNP. (C) BNP levels in patients with dyspnea secondary to CHF or chronic obstructive lung disease. (D) BNP levels in patients with edema diagnosed with CHF or non-CHF. Boxes represent mean and interquartile range. Vertical line without a dot represents a range from 10% to 90%. A dot with a line represents the mean and SEM. Values shown represent the mean (SEM). BNP = B-type natriuretic peptide; CHF = congestive heart failure; Dx = diagnosis.
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