Characteristics of bronchoalveolar lavage of the study population
| Controls | IPF | p-value# | |
| Subjects n | 18 | 17 | |
| Recovery mL | 84 (63–102) | 77 (30–97) | 0.66 |
| Cells·mL−1 ×103 | 125.1 (54.6–245.4) | 200.3 (68.4–271.8) | 0.048 |
| Macrophages % | 90.5 (74.3–95.6) | 81.6 (40.5–88.2) | 0.0004 |
| Lymphocytes % | 8.5 (2.2–23.1) | 4.8 (2.3–7.4) | 0.27 |
| Neutrophils % | 1.5 (0.2–2.8) | 10.0 (0.3–35.1) | <0.0001 |
| Eosinophils % | 0.3 (0–1.1) | 3.5 (0.1–24.4) | <0.0001 |
| Basophils % | 0.1 (0–0.9) | 0.1 (0–0.4) | 0.59 |
| Macrophages·mL−1 ×103 | 105.6 (46.4–234.1) | 119.0 (29.4–226.1) | 0.38 |
| Lymphocytes·mL−1 ×103 | 8.0 (2.2–37.1) | 7.4 (2.5–15.3) | 0.90 |
| Neutrophils·mL−1 ×103 | 1.7 (0.2–5.4) | 17.9 (0.2–85.7) | <0.0001 |
| Eosinophils·mL−1 ×103 | 0.5 (0–1.4) | 4.3 (0.1–65.6) | <0.0001 |
| Basophils·mL−1 ×103 | 0.1 (0–1.5) | 0.1 (0–0.4) | 0.57 |
Data are presented as median (range), unless otherwise stated. IPF: idiopathic pulmonary fibrosis. #: using Mann-Whitney U-test.