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Table 2 Identified microorganisms in patients with CAP (n = 373)

From: Diagnostic and prognostic accuracy of clinical and laboratory parameters in community-acquired pneumonia

  Respiratory secretions Blood cultures
Overall positive – no. (%) 80 (21.5) 42 (11.3)
Gram-positive organisms 39 36
Streptococcus pneumoniae 32 33
Streptococcus milleri 2 0
Staphylococcus aureus 4 3
Enterococcus species 1 0
Gram-negative organisms 34 6
Moraxella catarrhalis 3 0
Haemophilus influenzae 9 0
Pseudomonas species 13 2
Klebsiella species 7 2
Neisseria meningitidis 0 2
Morganella morganii 1 0
Enterobacteriaceae 1 0
Atypical pathogens 7 0
Mycoplasma pneumoniae 2 0
Legionella pneumophila 5 0
  1. Legionella pneumophilia was detected by urinary antigen in 4 patients.