Table 2. Severity and bacterial pathogens in acute otitis media.
| Number of bacterial pathogens (%) | |||||||||||||
| Nasopharynx | Middle ear fluid | ||||||||||||
| Severity | S.pneumoniae | H.influenzae | M. catarrhalis | Eithera | Combinedb | S.pneumoniae | H.influenzae | M. catarrhalis | Eithera | Combinedb | |||
| Total | (n = 283) | 143(50.5%) | 130(45.9%) | 127(44.9%) | 245(86.6%) | 132(46.6%) | (n = 27) | 6(22%) | 10(37%) | 3(11%) | 15(56%) | 4(15%) | |
| Mild | (n = 104) | 53(51%) | 39(38%) | 43(41%) | 86(83%) | 40(38%) | (n = 5) | 1(20%) | 1(20%) | 0(0%) | 1(20%) | 1(20%) | |
| Moderate | (n = 113) | 61(54%) | 62(55%) | 45(40%) | 99(88%) | 60(53%) | (n = 5) | 2(40%) | 2(40%) | 1(20%) | 4(80%) | 1(20%) | |
| Severe | (n = 66) | 29(44%) | 29(44%) | 39(59%) | 60(91%) | 32(48%) | (n = 17) | 3(18%) | 7(41%) | 2(12%) | 10(59%) | 2(12%) | |
| p-valuec | 0.43 | 0.03 | 0.03 | 0.28 | 0.09 | N.A. | N.A. | N.A. | N.A. | N.A. | |||
a
at least 1 of these pathogens was isolated.
b
at least 2 of these pathogens were isolated.
c
Comparing with mild, moderate, and severe groups.
N.A., not analyzed.