Skip to main content

Table 4 Microbiological culture results of PSB and BALF samples obtained from patients in the HS, stable COPD and AECOPD groups

From: Quantitative analysis of pathogens in the lower respiratory tract of patients with chronic obstructive pulmonary disease

n (%) HS Stable COPD patients AECOPD patients
(n = 33) (n = 34) (n = 32)
PSB BALF PSB BALF PSB BALF
No isolated or Normal flora 29 (87.9) 29 (87.9) 20 (58.8) 15 (44.1) 9 (28.1) 8 (25.0)
Staphylococcus aureus 1 (3.0) 1 (3.0) 2 (5.9) 4 (11.8) 3 (9.4) 3 (9.4)
Klebsiella pneumoniae 1 (3.0) 1 (3.0) 1 (2.9) 3 (8.8) 4 (12.5) 4 (12.5)
Streptococcus pneumoniae 2 (6.0) 2 (6.0) 4 (11.8) 5 (14.7) 3 (9.4) 4 (12.5)
Pseudomonos aeruginosa 0 0 2 (5.9) 2 (2.9) 4 (12.5) 5 (15.6)
Haemophilus influenzeae 0 0 2 (5.9) 3 (8.8) 6 (18.8) 5 (15.6)
Moraxella catarrhalis 0 0 1 (2.9) 2 (2.9) 2 (6.3) 2 (6.3)
Others a 0 0 1 (2.9) 2 (2.9) 1 (3.1) 1 (3.1)
  1. aOther isolated bacteria including Acinetobacter baumanii, Escherichia coli, and Streptococcus hemolyticus. HS, Healthy subjects