| COPD patients | Healthy controls |
Subjects n | 8 | 8 |
Age yrs | 57.3±12.1 | 28.0±6.1 |
Current smokers n | 8 | 8 |
FEV1 L | 2.5±1.1 | 4.5±0.7 |
% pred | 73.5±11.5 | 91.8±9.7 |
FEV1/FVC % | 65.9±18.3 | 82.4±6.0 |
Bronchoalveolar lavage fluid
| | |
Cell density 107 cells·mL−1 | 1.2±0.7 | 0.9±0.5 |
Alveolar macrophages % | 92±7 | 95±4 |
PMNs % | 4±2 | 3±2 |
Cell viability % | 95±4 | 97±3 |