Table 2

Presence of bacterial AOM pathogens detected by RT-PCRa

Bacterium and resultNo. (%) of subjects with resultP valueb
All subjectsAntibiotic use in past 6 mo
YesNo
S. pneumoniae0.05
    Positive94 (39.2)32 (34.0)62 (66.0)
    Negative146 (60.8)68 (46.6)78 (53.4)
H. influenzae0.58
    Positive84 (35.0)37 (44.0)47 (56.0)
    Negative156 (65.0)63 (40.4)93 (59.6)
M. catarrhalis0.72
    Positive104 (43.3)42 (40.4)62 (59.6)
    Negative136 (56.7)58 (42.6)78 (57.4)
  • a The distribution of AOM pathogens stratified by antibiotic use in the past 6 months is given.

  • b P values from χ2 tests comparing children with and without antibiotic use in the past 6 months. Boldface indicates a significant result.