Fig. 1From: Reduced airway levels of fatty-acid binding protein 4 in COPD: relationship with airway infection and disease severityAirway FABP4 levels in COPD. A BALF FABP4 levels in controls and COPD patients and (B) in non-infected and infected patients. C Sputum FABP4 levels in controls and COPD patients and (D) in non-infected and infected patients. P-values were obtained by Mann-Whitney test. *p-value < 0.05. Data is represented as median with interquartile rangeBack to article page