Bacteriological findings of 57 nursing home patients (38% of total population) with either probable or definitive aetiology of a pneumonia episode
| n (%) | Sputum | Blood | TBAS, BAL | Pleural fluid | Serology | Urinary antigen | N-P swab | |
| S pneumoniae | 33 (22) | 9 | 6 | 3 | 4 | 19 | ||
| H influenzae | 2 (1) | 2 | 0 | 1 | 0 | |||
| MRSA | 3 (2) | 2 | 1 | 1 | 0 | |||
| P aeruginosa | 2 (1) | 2 | 0 | 0 | 0 | |||
| K pneumoniae | 2 (1) | 0 | 1 | 2 | 0 | |||
| E coli | 3 (2) | 0 | 1 | 2 | 1 | |||
| C pneumoniae | 1 (1) | 2 | ||||||
| M pneumoniae | 2 (1) | 2 | ||||||
| C burnetii | 1 (1) | 1 | ||||||
| L pneumophila | 3 (2) | 0 | 0 | 0 | 0 | 3 | ||
| Virus | 3 (2) | 3 | 2 | |||||
| P stuartii | 1 (1) | 1 | ||||||
| Candida albicans | 1 (1) | 1 | 0 | 1 | 0 | |||
| Total | 57 (38) | 17 | 9 | 10 | 5 | 8 | 22 | 2 |
Note: percentages refer to the total number of patients (n=150).
BAL, bronchioalveolar lavage; MRSA, methicillin-resistant Staphylococcus aureus; N-P swab, naso-pharyngeal swab; TBAS, tracheobronchial aspirate.