Cell differentials of and bronchoalveolar lavage fluid samples
| Subjects n | Cell count 106 | Macrophages % | Neutrophils % | Lymphocytes % | Eosinophils % | |
| <3 months | 7 | 6.5±1.2 | 85±3 | 5±1 | 8±2 | 2±1 |
| BOS | 4 | 24.6±10.8 | 63±19 | 31±21 | 6±4 | 0±0 |
| non BOS | 8 | 14.8±2.9 | 87±6 | 11±6 | 2±1 | 0±0 |
Data are presented as mean±sem
BOS: bronchiolitis obliterans syndrome