Table 4

 Differentiation of the causes of dyspnoea in patients with blood B-type natriuretic peptide levels

Non-HF (n = 19)Acute HF (n = 24)p Value
BNP, B-type natriuretic peptide; HF, heart failure.
BNP (pg/ml) (continuous variable)
232.3 (299.2)1329 (1682.3)0.005
BNP (pg/ml) (categorical variable)
    <10010 (71.4%)4 (28.9%)0.001
    100–5006 (54.4%)5 (45.5%)
    >5003 (16.7%)15 (83.3%)