Total and differential cell counts in BAL fluid
| n | Total cells (105/ml)* | Macrophages (%)* | Lymphocytes (%)* | Neutrophils (%)* | Eosinophils (%) | CD4/CD8 ratio** | |
|---|---|---|---|---|---|---|---|
| Data are expressed as mean (SD). | |||||||
| UIP=usual interstitial pneumonia; NSIP=non-specific interstitial pneumonia; BOOP=bronchiolitis obliterans organising pneumonia; DPB=diffuse panbronchiolitis. | |||||||
| *p<0.0001 for the overall comparison of all six subject groups; **p=0.0005 for the overall comparison of all six subject groups. | |||||||
| Patients | 57 | ||||||
| UIP | 19 | 4.5 (1.8) | 73.8 (14.4) | 13.1 (9.7) | 7.3 (7.3) | 5.1 (8.2) | 1.50 (1.27) |
| NSIP | 12 | 3.5 (1.1) | 58.5 (20.8) | 35.9 (20.3) | 2.8 (2.8) | 2.3 (1.6) | 0.67 (0.78) |
| BOOP | 8 | 5.7 (2.5) | 57.6 (25.5) | 32.2 (25.8) | 7.1 (7.3) | 6.9 (10.7) | 0.94 (0.68) |
| Sarcoidosis | 10 | 3.4 (2.9) | 56.6 (16.1) | 39.8 (17.7) | 3.1 (2.9) | 0.6 (1.1) | 3.17 (2.22) |
| DPB | 8 | 9.2 (4.4) | 19.3 (20.6) | 8.5 (8.0) | 71.2 (27.9) | 0.3 (0.3) | 0.92 (0.65) |
| Healthy volunteers | 9 | 1.4 (0.9) | 86.5 (8.0) | 12.3 (7.8) | 1.5 (1.1) | 1.0 (1.7) | 1.21 (0.48) |