Median (min–max) age (years) | 36 (24–62) | 40 (25–66) | 34 (24–36) |
Sex male/female | 45/24 (65/32) | 25/21 (54/46) | 3/3 (40/60) |
Smoking habits | | | |
Yes | 6 (9) | 6 (13) | 0 |
Ex-smoker† | 12 (17) | 9 (20) | 3 (50) |
Never smoker | 51 (74) | 31 (67) | 3 (50) |
Chest radiographic staging: | | | |
Stage 0 | 4 (6) | 0 | 0 |
Stage I | 45 (65) | 15 (33) | 3 (50) |
Stage II | 18 (26) | 25 (54) | 2 (33) |
Stage III | 2 (3) | 6 (13) | 1 (17) |
Treatment‡ | | | |
Not treated | 54 (78) | 39 (85) | 4 (67) |
Treatment with NSAID | 14 (20) | 3 (7) | 2 (33) |
Treatment with steroids | 1 (1)§ | 4 (9)¶ | 0 |
Pulmonary sarcoidosis | 66 (96) | 46 (100) | 6 (100) |
Löfgren's syndrome | 49 (75) | 6 (13) | 4 (67) |