Table 2.
Presence of bacterial AOM pathogens detected by RT-PCRa
| Bacterium and result | No. (%) of subjects with result |
P valueb | ||
|---|---|---|---|---|
| All subjects | Antibiotic use in past 6 mo |
|||
| Yes | No | |||
| S. pneumoniae | 0.05 | |||
| Positive | 94 (39.2) | 32 (34.0) | 62 (66.0) | |
| Negative | 146 (60.8) | 68 (46.6) | 78 (53.4) | |
| H. influenzae | 0.58 | |||
| Positive | 84 (35.0) | 37 (44.0) | 47 (56.0) | |
| Negative | 156 (65.0) | 63 (40.4) | 93 (59.6) | |
| M. catarrhalis | 0.72 | |||
| Positive | 104 (43.3) | 42 (40.4) | 62 (59.6) | |
| Negative | 136 (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.