Table 1.
Clinical characteristics of the sarcoidosis patients and healthy controls
| Characteristics | Sarcoidosis (n = 184) | Controls (n = 368) | |||
|---|---|---|---|---|---|
| Non‐persistent (n = 97) | Persistent (n = 71) | P‐value (non‐persistent vs persistent) | All patients | All controls | |
| Age (years) | 38.7 (10.8) | 40.7 (12.1) | 0.27 | 39.7 (11.4) | 40.7 (10.4) |
| Male | 37 (38%) | 32 (45%) | 0.08 | 75 (41%) | 149 (41%) |
| FEV1 (L) | 2.90 (0.89) | 2.33 (0.88) | <0.001 | 2.67 (0.92) | NA |
| FVC (L) | 3.62 (1.03) | 3.19 (1.10) | 0.024 | 3.44 (1.06) | NA |
| FEV1/FVC | 0.80 (0.09) | 0.73 (0.12) | <0.001 | 0.77 (0.11) | NA |
Data are presented as mean (standard deviation) or number (%). FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity; NA, not available. Total number of sarcoidosis patients includes 16 unclassified patients.