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Basic patient characteristics for control, severe asthma (SA), and COPD groups.
| Controls (n=7) | SA (n=9) | COPD (n=4) | |
|---|---|---|---|
| Age: Mean (Range) | 28.6 (19–66) | 57 (42–65) | 66 (64–70) |
| Sex: M/F | 4/3 | 6/3 | 2/2 |
| Oral corticosteroid use: n (%) | 0 (0%) | 9 (100%) | 0 (0%) |
| Smoking history: n (%) | 0 (0%) | 0 (0%) | 4 (100%) |
| Biopsy location (n) | Right upper lobe (4), Left upper lobe (3) | Right upper lobe (3), Right middle lobe (4), Right lower lobe (2) | Right upper lobe (1), Left upper lobe (3) |
