Table 4.
H. influenzae , S. pneumoniae , and M. catarrhalis bacterial loads in A. otitidis -positive ear discharge swabs
| A. otitidis | H. influenzae | S. pneumoniae | M. catarrhalis | |
|---|---|---|---|---|
| In A. otitidis-positive ED swabs (n = 11#) |
|
|
|
|
| qPCR-positive swabs |
11 |
10 |
3 |
4 |
| Culture-positive swabs |
5 |
4 |
2 |
1 |
| Bacterial load range (cells/swab) |
2.2 × 104-1.1 ×108 |
4.3 ×104-1.2 ×107 |
3.5 ×104-1.8 ×105 |
4.3 ×104-5.9 ×105 |
| Number of swabs with bacterial load >1x106 cells/swab |
5 |
5 |
0 |
0 |
| Number of swabs culture-positive and bacterial load >1x106 cells/swab |
4 |
3 |
0 |
0 |
| Number of swabs with relative abundance <1% |
6 |
5 |
3 |
4 |
| Relative abundance range (%) |
0.01-0.70 |
0.02-0.79 |
0.01-0.68 |
0.01-0.89 |
| Number of swabs with relative abundance >1% |
5 |
5 |
0 |
0 |
| Relative abundance range (%) | 2-34 | 4-27 | 0 | 0 |
#One child with bilateral. *A. otitidis culture was only performed for qPCR-positive swabs.