Fig. 2From: Quantitative analysis of pathogens in the lower respiratory tract of patients with chronic obstructive pulmonary diseaseBacterial load in PSB and BALF samples obtained from COPD patients and healthy subjects. The burden of Staphylococcus aureus, Klebsiella pneumoniae, Pseudomonos aeruginosa, Haemophilus influenzeae, and Moraxella catarrhalis in PSB samples (a), and of Klebsiella pneumoniae, Pseudomonos aeruginosa, Haemophilus influenzeae, and Moraxella catarrhalis in BALF samples (b) obtained from AECOPD patients compared with stable COPD patients. All data are expressed as means ± SEM. *P < 0.05 and **P < 0.01 vs. the HS group; #P < 0.05 and ##P < 0.01 vs. the stable COPD groupBack to article page