Bronchoalveolar lavage cell recovery and differential counts
| Controls | IPF | |||||
| All | Current smokers | Nonsmokers | All | Ever-smokers | Nonsmokers | |
| Subjects n | 11 | 5 | 6 | 54 | 41 | 13 |
| Total cells ×103 cells·mL−1 | 318±315 | 510±396 | 157±72 | 262±163 | 281±176 | 201±95 |
| Differential count % | ||||||
| Macrophages | 82.56±8.02 | 86.27±3.31 | 79.48±9.73 | 73.11±14.01 | 73.13±15.42 | 73.02±8.62 |
| Neutrophils | 4.60±3.42 | 3.41±0.92 | 5.60±4.49 | 14.11±11.18 | 14.88±12.20 | 11.66±6.94 |
| Lymphocytes | 9.18±8.74 | 4.94±3.50 | 12.71±10.49 | 5.76±4.64 | 5.45±4.56 | 6.74±4.93 |
| Monocytes | 2.70±1.92 | 3.83±2.27 | 1.76±0.96 | 1.66±2.37 | 1.21±1.18 | 3.09±4.15 |
| Eosinophils | 0.95±1.37 | 1.55±1.94 | 0.45±0.26 | 5.33±6.86 | 5.28±7.61 | 5.49±3.86 |
| Basophils | 0.00±0.00 | 0.00±0.00 | 0.00±0.00 | 0.03±0.10 | 0.04±0.11 | 0.00±0.00 |
Data are presented as mean±sd, unless otherwise stated. IPF: idiopathic pulmonary fibrosis.