Table 2—

Micro-organisms isolated in protected specimen brush (PSB) and biopsy samples

Micro-organismsPSBBiopsyn (%)
PPMs
Haemophilus influenzae88 (35)
Streptococcus pheumoniae33 (13)
Pseudomonas spp.33 (13)
Moraxeua catarrhalis22 (9)
Staphylococcus aureus22 (9)
Enterobacter spp.11 (4)
Myobactenum gordonae11 (4)
Eikenella corrodens11 (4)
Non-PPMs
Streptococcus viridans coagulase-negative11 (4)
Staphylococcus11 (4)
Total20323
  • Data are presented as n or n (%)

  • PPMs: potential pathogenic micro-organisms

  • Non-PPMs: nonpotential pathogenic micro-organisms

  • The quantitative culture cut-off for biopsy sample tumours 102 colony forming units·mL−1