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| Characteristics | No. |
|---|---|
| Gender (% male) | 50 |
| Median age (range, years) | 56 [20–84] |
| Current smokers (%) | 1.05 |
| Ex-smokers (%) | 10.5 |
| Atopic (%) | 50 |
| Cough (%) | 38 |
| Cough, Plug (%) | 38 |
| Dyspnea (%) | 7 |
| Median number of re-exacerbations/yr | 3 |
| Numbers of re-exacerbations (%) | 72 |
