Volume 18, Number 11—November 2012
CME ACTIVITY - Research
Nasopharyngeal Bacterial Interactions in Children
Qingfu Xu, Anthony Almudervar, Janet R. Casey, and Michael E. Pichichero
Table 1
Nasopharyngeal colonization of children of when healthy and at onset of acute otitis media, Rochester, NY, USA, June 2006–May 2010*
| Group | Age, mean mo ± SD | No. visits |
% Total visits
|
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Single
|
Multiple
|
Overall
|
||||||||||||
| Spn | Hflu | Mcat | Spn+ Hflu | Spn+ Mcat | Hflu+ Mcat | Spn+Hflu+ Mcat | Spn | Hflu | Mcat | |||||
| 6 mo | ||||||||||||||
|
Healthy |
6.4 ± 0.6 | 304 | 13.2 | 3.3 | 19.1 | 3.0 | 9.2 | 1.6 | 1.3 | 26.6 | 9.2 | 31.3 | ||
|
AOM |
6.5 ± 1.2
|
66
|
22.7
|
19.7
|
9.1
|
|
10.6
|
13.6
|
4.5
|
13.6
|
|
60.6
|
48.5
|
40.9
|
| 9 mo | ||||||||||||||
|
Healthy |
9.3 ± 0.4 | 237 | 12.7 | 3.0 | 21.1 | 2.5 | 10.5 | 1.3 | 2.5 | 28.3 | 9.3 | 35.4 | ||
|
AOM |
9.0 ± 0.5
|
63
|
14.3
|
6.3
|
9.5
|
|
15.9
|
22.2
|
11.1
|
7.9
|
|
60.3
|
41.3
|
50.8
|
| 12 mo | ||||||||||||||
|
Healthy |
12.3 ± 0.4 | 205 | 15.1 | 3.9 | 22.4 | 1.0 | 11.2 | 0.5 | 2.4 | 29.8 | 7.8 | 36.6 | ||
|
AOM |
12.1 ± 1.1
|
90
|
15.6
|
24.4
|
8.9
|
|
10.0
|
15.6
|
5.6
|
5.6
|
|
46.7
|
45.6
|
35.6
|
| 15 mo | ||||||||||||||
|
Healthy |
15.3 ± 0.5 | 170 | 17.1 | 5.3 | 19.4 | 2.9 | 13.5 | 1.8 | 2.4 | 35.9 | 12.4 | 37.1 | ||
|
AOM |
15.3 ± 0.5
|
30
|
6.7
|
23.3
|
10.0
|
|
20.0
|
20.0
|
6.7
|
6.7
|
|
53.3
|
56.7
|
43.3
|
| 18 mo | ||||||||||||||
|
Healthy |
18.4 ± 0.6 | 155 | 14.2 | 5.2 | 21.9 | 3.2 | 8.4 | 1.9 | 3.9 | 29.7 | 14.2 | 36.1 | ||
|
AOM |
19.0 ± 1.2
|
42
|
4.8
|
28.6
|
16.7
|
|
9.5
|
16.7
|
7.1
|
9.5
|
|
40.5
|
54.8
|
50.0
|
| 24 mo | ||||||||||||||
|
Healthy |
24.4 ± 0.5 | 112 | 14.3 | 9.8 | 20.5 | 1.8 | 15.2 | 7.1 | 7.1 | 38.4 | 25.9 | 50.0 | ||
|
AOM |
24.9 ± 2.4
|
43
|
14.0
|
16.3
|
11.6
|
|
14.0
|
16.3
|
9.3
|
9.3
|
|
53.5
|
48.8
|
46.5
|
| All ages | ||||||||||||||
|
Healthy |
12.5 ± 5.6 | 1183 | 14.2 | 4.5 | 20.6 | 2.5 | 10.9 | 1.9 | 2.8 | 30.3 | 11.7 | 36.3 | ||
|
AOM |
14.1 ± 7.0 | 334 | 14.4 | 19.5 | 10.5 | 12.6 | 17.1 | 7.2 | 8.7 | 52.7 | 47.9 | 43.4 | ||
*Spn, Streptococcus pneumoniae; Hflu, Haemophilus influenzae; Mcat, Moraxella catarrhailis; AOM, acute otitis media.
Page created: October 16, 2012
Page updated: October 16, 2012
Page reviewed: October 16, 2012
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