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Table 1 Comparison of NP Colonization at Healthy and AOM Visits along with MEF isolates during AOM

From: Correlation of nasopharyngeal cultures prior to and at onset of acute otitis media with middle ear fluid cultures

Isolates

Healthy NP colonization

AOM NP colonization

AOM MEF

Number (%)

Number (%)

Number (%)

S. pneumoniae

292 (14.1)

70 (13.2)

110 (20.8)

Nontypeable H. influenzae

97 (4.7)

97 (18.2)

166 (31.3)

M. catarrhalis

382 (18.4)

78 (14.7)

71 (13.4)

NTHi + S. pneumoniae

60 (2.9)

52 (9.8)

19 (3.6)

M. catarrhalis + S. pneumoniae

245 (11.8)

99 (18.6)

22 (4.2)

NTHi + M. catarrhalis

37 (1.8)

39 (7.3)

10 (1.9)

NTHi + M. catarrhalis + S. pneumoniae

59 (2.8)

35 (6.6)

1 (0.2)

Other bacteriaǂ

870 (41.9)

35 (6.6)

44 (8.3)

No Bacteria

36 (1.7)

27 (5.1)

87 (16.4)

  1. Ç‚Other bacteria were only sought when canonical otopathogens (S. pneumoniae, NTHi and M. catarrhalis) were not detected in the visits. They may have been present along with main otopathogens but were not included in the calculations.