Number of subjects | 20 |
Age (years) | 40.4 (16.0) |
Sex (F:M) | 8:16 |
Chest radiographic stage1-151 | |
Stage 0 | 1 |
Stage I | 8 |
Stage II | 9 |
Stage III | 2 |
Lung function testing | |
FEV1.0 (% predicted) | 78.1 (14.3) |
FVC (% predicted) | 101.1 (18.0) |
Tlco (% predicted) | 97.1 (27.4) |
Pao 2 (mm Hg) | 82.4 (11.1) |
Bronchoalveolar lavage1-152 | |
% recovery | 68.2 (10.1) |
Total BAL cell count (103/ml) | 495.2 (151.1) |
Lymphocytes (%) | 32.0 (20.2) |
CD4/CD8 ratio | 5.0 (2.8) |
Serum ACE (IU/l) | 31.2 (18.5) |
Results are expressed as mean (SD).
FEV1.0 = forced expiratory volume in one second; FVC = forced vital capacity; Tlco = carbon monoxide transfer factor; BAL = bronchoalveolar lavage; ACE = angiotensin converting enzyme.
↵1-151 Stage 0 = normal radiograph; stage I = bilateral lymphadenopathy; stage II = bilateral lymphadenopathy with parenchymal infiltration; stage III = solely parenchymal infiltration.
↵1-152 In the 10 control subjects percentage recovery, percentage of lymphocytes in all cells recovered by BAL, and CD4/CD8 ratio were 70.1 (10.1)%, 4.2 (1.8)%, and 1.4 (0.6), respectively.