Fig. 2From: Elevated exhaled acetone concentration in stage C heart failure patients with diabetes mellitusCorrelations of exhaled acetone concentration with total ketone bodies (a) and brain natriuretic peptide (b). Exhaled acetone concentration was correlated with total ketone bodies (r = 0.588, p < 0.001) and brain natriuretic peptide (r = 0.415, p = 0.002)Back to article page