Bronchoalveolar lavage
| Case no. | Cellularity 103·mL−1 | Mac. % | Lymph.% | Neut. % | Eosin.% | CD4:CD8 ratio |
| 1 | NA | NA | NA | NA | NA | NA |
| 2 | 560 | 50 | 12 | 37 | 1 | 2.09 |
| 3 | 530 | 9 | 20 | 71 | 1.54 | |
| 4 | 1230 | 16 | 5 | 74 | ND |
Mac.: macrophages
Lymph.: lymphocytes
Neut.: neutrophils
Eosin.: eosinophil
NA: not applicable
ND: not determined