Characteristics of bronchial lavage (BL) fluid and bronchoalveolar lavage (BAL) fluid
| Emphysema (−) | Emphysema (+) | |
| Total recovery rate# % | 52±2 | 41±3* |
| BL fluid | ||
| Subjects n | 7 | 13 |
| Macrophages % | z86±2 | 79±5 |
| Neutrophils % | 3.4±1.2 | 4.5±1.5 |
| Albumin µg·mL−1 in BL fluid | 41±5 | 32±3 |
| BAL fluid | ||
| Subjects | 14 | 13 |
| Total cells×104·mL in BAL fluid | 23±3 | 24±9 |
| Viability of the cells % | 90±2 | 87±2 |
| Macrophages % | 92±1 | 91±2 |
| Neutrophils % | 0.7±0.1 | 1.3±0.3 |
| Albumin µg·mL in BAL fluid | 39±4 | 39±3 |
Data are presented as mean±se unless otherwise stated
#: ((BL fluid+BAL fluid)/200 mL)×100
*: p<0.05 compared with emphysema (−)