Fig. 4From: Heparin-binding protein in sputum as a marker of pulmonary inflammation, lung function, and bacterial load in children with cystic fibrosisCorrelations between biomarkers and lung function. HBP (a and b), elastase (c and d), and bacterial DNA (e and f) were correlated to FEV1%predicted or ∆FEV1. r = nonparametric Spearman rank coefficientBack to article page