Chlamydophlia-specific antibody titres in positive serum samples
| Controls | Sarcoidosis | UIP | |
| Subjects n | 34 | 39 | 26 |
| Chlamydophlia genus-specific serum | |||
| IgG titre | 1830.8±1024.3 | 12192.0±7201.3 | 792.9±443.1 |
| >1:3200 n (%) | 2 (5.8) | 6 (15.4) | 1 (3.8) |
| IgA titre | 200.0±30.2 | 1687.5±846.9 | 300.0±65.5 |
| >1:800 n (%) | 0 (0) | 6 (15.4) | 0 (0.0) |
| IgM titre | 233.3±88.2 | 633.3±484.2 | 133.3±233.3 |
| >1:800 n (%) | 0 (0.0) | 1 (2.6) | 0 (0.0) |
| C. pneumoniae-specific serum | |||
| IgG titre | 3858.8±1052.7 | 7928.2±2674.1 | 3546.2±778.3 |
| >1:6400 n (%) | 5 (14.7) | 16 (41.0) | 7 (27.0) |
| IgA titre | 505.9±134.2 | 764.1±204.6 | 496.2±83.3 |
| >1:1600 n (%) | 4 (11.8) | 8 (20.5) | 2 (7.7) |
Data are presented as mean±sem unless otherwise stated
UIP: usual interstitial pneumoniae
Ig: immunoglobulin