Table 1. Patient characteristics and pathogenic agents in the bronchoalveolar lavage fluid of patients with severe bacterial or viral ARDS.
| Patient characteristics | Bacterial ARDS | Viral ARDS |
|---|---|---|
| Total patients | 19 | 11 |
| Male | 12 | 8 |
| Female | 7 | 3 |
| Age mean (range) | 52.3 (22–75) | 53.9 (20–87) |
| Non-smokers (ex or never) | 10 | 5 |
| Current smokers | 9 | 6 |
| Spectrum of pathogens | ||
| Influenza | 9 | |
| Human metapneumovirus | 1 | |
| Herpes simplex virus | 1 | |
| Gram-positive (S. pneumoniae, Group A Streptococcus, S. aureus) | 10 | |
| Gram-negative (Legionella sp., Klebsiella sp., E.coli) | 6 | |
| unclassified | 3 |