Table 2.
Overview of microbiological results
| Mono- culturen (%) | Co-infectionn (%) | Totaln (%) | |
|---|---|---|---|
|
Significant BAL-culture |
11/33 (33.3) |
5/33 (15.2) |
16/33 (48.5) |
|
Haemophilus influenzae |
6 (18.2)e |
4 (12.1)a |
10 (30.3) |
|
Streptococcus pneumoniae |
1 (3.0)d |
3 (9.1) |
4 (12.1) |
|
Moraxella catarrhalis |
2 (6.1) |
2 (6.1)a |
4 (12.1) |
|
Staphylococcus aureus |
0 |
1 (3.0)c |
1 (3.0) |
|
Escherichia coli |
2 (6.1)b |
0 |
2 (6.1) |
|
Serratia marcescens |
0 |
1 (3.0)c |
1 (3.0) |
|
Commensal flora |
|
|
15 (45.4) |
|
< 104 cfu/ml potential pathogens in BAL |
|
|
2 (6.1) |
|
Viral infectionn(%) |
5/32 (15.6) |
2/32 (6.3) |
7/32 (21.9) |
| Respiratory syncytial virus |
2 a |
1b |
3 |
| Adenovirus |
0 |
1b |
1 |
| Cytomegalovirus |
1 |
0 |
1 |
| Enterovirus (not polio) |
0 |
1c |
1 |
| Coronavirus E229 |
1d |
0 |
1 |
| Human metapneumovirus |
1 |
0 |
1 |
| Parainfluenzavirus type 3 |
0 |
1c |
1 |
|
No viral infection detectedn(%) |
|
|
25/32 (78.1) |
|
Atypical microorganism |
positive |
negative |
Total |
|
Mycoplasma pneumoniae |
1e |
18 |
1/19 |
| Chlamydophila pneumoniae | 0 | 14/14 | 0/14 |
Co-infection: cases in which at least 2 infective agents of the same microbiological group were isolated.
a,b,c,d,e Mixed infections: cases in which at least 2 infective agents of a different microbiological group were detected. Mixed infections are mentioned for each pathogen.