Fig. 2From: Surfactant Protein A in particles in exhaled air (PExA), bronchial lavage and bronchial wash - a methodological comparisonAssociations between Surfactant Protein A collected with PExA and bronchoscopy (BW and BAL-fluid) after correction for albumin. a There was a significant association between SP-A in PEx and in BAL-fluid. b Again, no significant association was found between SP-A in PEx and in BW. Spearman’s correlation. A p-value <0.05 was considered significantBack to article page