. 2006 Jun 27;92(12):1790–1794. doi: 10.1136/hrt.2006.089516

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 (pg/ml) (continuous variable)
	232.3 (299.2)	1329 (1682.3)	0.005
BNP (pg/ml) (categorical variable)
<100	10 (71.4%)	4 (28.9%)	0.001
100–500	6 (54.4%)	5 (45.5%)
>500	3 (16.7%)	15 (83.3%)

BNP, B‐type natriuretic peptide; HF, heart failure.