Table 2 Non-invasive and invasive diagnostic investigations performed.
| Â | Patients, n(%) |
|---|---|
Non-invasive tests | Â |
   Blood cultures for bacteria | 214 (100) |
   Sputum examination for bacteria | 214 (100) |
   Sputum examination for fungi | 214 (100) |
   Sputum examination for mycobacteria | 210 (98) |
   Urine Streptococcus pneumonia antigen | 186 (87) |
   Urine Legionella pneumophila antigen | 108 (50) |
   Serum mycoplasma antibody | 159 (74) |
   Serum Aspergillus galactomannan assay | 95 (44) |
   CMV antigenemia | 94 (44) |
   Chest CT scans | 209 (98) |
   Echocardiography | 24 (11) |
Invasive tests | Â |
   Fiberoptic bronchoscopy | 160 (75) |
BALa | 160 |
TBLB | 75 |
   Surgical lung biopsy | 6 (3) |