Table 1.
Sample demographics divided by subgroups and analysis stage
| Group | N | Age | Gender | Chest radiographic | Smoking |
|---|---|---|---|---|---|
| Median (Range) | M/F | Stage 0/I/II/III/IV | Non/Ex/Current | ||
| Discovery | |||||
| Asthma | 17 | 22 (18–52) | 6/11 | NA | 17/0/0 |
| Control | 16 | 24 (20–56) | 8/8 | NA | 14/2/0 |
| Löfgren’s syndrome | 18 | 41 (30–57) | 12/6 | 1a/8/9/0/0 | 11/5/2 |
| Non-Löfgren’s syndrome | 17 | 47 (29–67) | 10/7 | 1a/5/8/1/2 | 6/8/3 |
| Verification | |||||
| Control | 33 | 25 (18–56) | 18/17 | NA | 32/1/0 |
| Löfgren’s syndrome | 112 | 37 (23–62) | 59/53 | 2a/72/38/0/0 | 60/33/18 |
| Non-Löfgren’s syndrome | 104 | 44 (26–77) | 63/41 | 5/41/40/14/4 | 63/30/11 |
Complete information was not available for all patients
NA not applicable
aPatients had previously manifested lymphadenopathy, though determined to have fully regressed on conventional x-ray at the time of bronchoscopy