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Volume 18, Number 11—November 2012

CME ACTIVITY - Research

Nasopharyngeal Bacterial Interactions in Children

Qingfu Xu, Anthony Almudervar, Janet R. Casey, and Michael E. PichicheroComments to Author 
Author affiliations: Author affiliations: Rochester General Hospital Research Institute, Rochester, New York, USA (Q. Xu, M.E. Pichichero),; University of Rochester Medical Center, Rochester (A. Almudervar); Legacy Pediatrics, Rochester (J.R. Casey)

Main Article

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.

Main Article

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