Table 5.
Microbiological broncho-alveolar lavage (BAL) findings in the noninvasive (NPPV) and the conventional mechanical ventilation (CMV) groups
| NPPV (n = 15)a | CMV (n = 15)b | P | |
|---|---|---|---|
| Diagnostic yield (>104 cfu/ml), n (%) | 12 (80.0) | 9 (60.0) | 0.427 |
| Change in antibiotic-therapy, n (%) | 5 (33.3) | 4 (26.7) | 1.000 |
| Streptococcus pneumoniae, n (%) | 5 (33.3) | 4 (26.7) | 1.000 |
| Pseudomonas aeruginosa, n (%) | 4 (26.7) | 3 (20.0) | 1.000 |
| Staphylococcus aureus, n (%) | 2 (13.3) | 1 (6.7) | 1.000 |
| Haemophilus influenzae, n (%) | 2 (13.3) | 2 (13.3) | 1.000 |
| Enterobacteriaceae, n (%) | 1 (6.7)c | 1 (6.7)d | 1.000 |
| Moraxella catarrhalis, n (%) | 1 (6.7) | 0 (0) | 1.000 |
a In three cases two microorganisms were isolated.
b In two cases two microorganisms were isolated.
cEscherichia coli.
dKlebsiella pneumoniae.