Table 1.

Bacteria detected by using the Ibis T5000 Biosensor in adenoids from children with COM and OSA

OrganismNo. (%) of isolates
COM (n = 12)OSA (n = 10)
Aerobic and facultative organisms
    Gram-positive cocci
        Streptococcus pneumoniae6 (50)5 (50)
        Staphylococcus aureus1 (8.3)3 (30)
        Staphylococcus hominis1 (8.3)0 (0)
    Hemolytic and viridans streptococci
        Streptococcus thermophilus2 (16.6)0 (0)
        Streptococcus gordonii2 (16.6)0 (0)
    Other Streptococcus spp.
        Streptococcus mitis or S. agalactiae1 (8.3)1 (10)
        Streptococcus mutans, S. peroris, or S. anginosus1 (8.3)0 (0)
        Streptococcus/Enterococcus1 (8.3)0 (0)
    Gram-negative cocci
        Moraxella catarrhalis2 (16.6)1 (10)
        Neisseria meningitidis1 (8.3)0 (0)
        Neisseria flavescens1 (8.3)0 (0)
    Gram-positive bacilli
        Corynebacterium pseudodiphtheriticum1 (8.3)0 (0)
        Arthrobacter oxydans1 (8.3)0 (0)
    Gram-negative bacilli
        Haemophilus influenzaea8 (66.7)1 (10)
        Pseudomonas aeruginosa1 (8.3)0 (0)
        Serratia marcescens1 (8.3)0 (0)
        Mannheimia haemolytica1 (8.3)0 (0)
        Moraxella sp.1 (8.3)2 (20)
        Mannheimia, Pasteurella, and Haemophilus spp.0 (0)1 (10)
        Enterobacter sp.1 (9.1)0 (0)
Microaerophilic and anaerobic organisms
    Gram-positive bacilli
    Eubacterium sulci1 (8.3)0 (0)
    Gram-negative bacilli
    Fusobacterium nucleatum2 (16.6)4 (40)
    Prevotella intermedia0 (0)1 (10)
    Prevotella spp.0 (0)1 (10)
Total [pathogen/adenoid ratio]24/12 [2.0]10 [1]
  • a P = 0.005.