Table 3.
Incidence of bacterial DNA presence in Middle Ear Effusions
| Purulent Effusions | Nonpurulent Effusions | ||
|---|---|---|---|
| Presence of Bacterial DNA |
No. of Children (column %) (n = 38) |
No. of Children (column %) (n = 169) |
p-value |
|
Haemophilus influenzae | |||
| Single organism |
22 (58) |
20 (12) |
<0.001 |
| Polymicrobial component |
3 (8) |
20 (12) |
|
| None |
13 (34) |
129 (76) |
|
|
Streptococcus pneumoniae |
|
|
|
| Single organism |
1 (3) |
2 (1) |
0.79 |
| Polymicrobial component |
1 (3) |
6 (4) |
|
| None |
36 (95) |
161 (95) |
|
|
Alloiococcus otitidis | |||
| Single organism |
2 (5) |
22 (13) |
0.40 |
| Polymicrobial component |
5 (13) |
21 (12) |
|
| None |
31 (82) |
126 (75) |
|
|
Moraxella catarrhalis | |||
| Single organism |
3 (8) |
11 (7) |
0.95 |
| Polymicrobial component |
4 (11) |
18 (11) |
|
| None |
31 (82) |
140 (83) |
|
| Overall | |||
| Single organism |
28 (74) |
55 (33) |
<0.001 |
| Polymicrobial |
5 (13) |
31 (18) |
|
| No Bacteria Detected | 5 (13) | 83 (49) | |
*Percent totals may not add up to 100% due to rounding error.