Table 6—

Microorganisms isolated in chronic obstructive pulmonary disease(COPD) and non-COPD immunocompetent patients admitted to the intensive care unit by severe community-acquired pneumonia with microbiological documentation

MicroorganismsIAT
COPDNon-COPDCOPD#Non-COPD
Staphylococcus pneumoniae52 (54.1)68 (51.5)11
Pseudomonas aeruginosa13 (13.5)*1 (0.8)81
Haemophilus influenzae11 (11.4)7 (5.3)00
Legionella spp.4 (4.1)15 (11.4)01
Staphylococcus aureus3 (3.1)12 (9.0)03
Enterobacteriaceae+3 (3.1)9 (6.8)16
Mycobacterium tuberculosis2 (2.1)3 (2.3)21
Aspergillus spp.1 (1.0)010
Varicella zoster1 (1.0)7 (5.3)13
Pneumocstis jiroveci (carinnii)01 (0.8)01
Others§6 (6.2)9 (6.8)00
  • Data are presented as n (%) or n. IAT: inadequate antibiotic treatment. #: n = 14; : n = 17; +: include Klebsiella pneumoniae, Proteus spp., Enterobacter spp. and Escherichia coli; §: include: Stenotrophomonas maltophilia, Streptococcus pyogenes, Eikenella corrodens and Moraxella spp. *: p<0.05.