Table 3.
Cellular profiles of BALF and peripheral blood in patients with non-PF-ILDs and PF-ILDs.
| Non-PF-ILD n = 17 |
PF-ILD n = 13 |
P value | |
|---|---|---|---|
| BALF cellular profile | |||
| Total cell count (/ × 105 ml) | 3.02 (1.09) | 3.07 (1.45) | 0.621 |
| Lymphocytes (%) | 23.8 (20.8) | 9.8 (5.0) | 0.043 |
| Macrophages (%) | 73.8 (21.6) | 73.6 (31.5) | 0.805 |
| Eosinophils (%) | 1.3 (2.2) | 2.8 (1.7) | 0.094 |
| Neutrophils (%) | 3.3 (3.2) | 7.5 (17.8) | 0.072 |
| CD4/CD8 ratio | 1.37 (2.04) | 1.93 (3.68) | 0.408 |
| Th2 cells among conventional CD4+ T cells in BALF (%) | 9.0 (7.4) | 42.0 (24.2) | 0.001 |
| Th2 cells among conventional CD4+ T cells in peripheral blood (%) | 35.1 (17.0) | 37.9 (25.2) | 0.263 |
BALF bronchoalveolar lavage fluid, PF-ILD progressive fibrosing interstitial lung disease, Th2 T helper type 2.
Data are expressed as medians (interquartile range) unless otherwise stated. Differences between two groups were evaluated by the Mann–Whitney U test.