Lymphocytes % and CD4/CD8 ratio# | Subjects n | A priori | A posteriori | |||||
<30 | 30–50 | >50 | ||||||
Low | High | Low | High | Low | High | |||
Sarcoidosis | 182 | 45.2 | 28.6*** | 86.1*** | 56.1 | 86.5*** | 33.3 | 55.6 |
UIP | 25 | 6.2 | 9.4 | 5.6 | 3.5 | 0.0 | 3.0 | 0.0 |
EAA | 35 | 8.7 | 1.4*** | 0.0 | 17.5* | 2.7 | 39.4*** | 29.6*** |
NSIP | 19 | 4.7 | 6.1 | 0.0 | 1.8 | 2.7 | 9.1 | 3.7 |
Connective tissue disease | 10 | 2.5 | 2.4 | 0.0 | 1.8 | 0.0 | 6.1 | 7.4 |
Others | 132 | 32.8 | 52.1*** | 8.3* | 19.3* | 8.1* | 9.1* | 3.7* |
Total n | 403 | 213 | 36 | 57 | 37 | 33 | 27 |
Data are presented as %, unless otherwise stated. UIP: usual interstitial pneumonia; EAA: extrinsic allergic alveolitis; NSIP: nonspecific interstitial pneumonia. *: p<0.05; ***: p<0.001 significantly different from the respective a priori value. #: low (CD4/CD8 <3.5)