Category | Agreed to interview | Declined interview | No reply |
---|---|---|---|
Participants | 16 | 78 | 16 |
Male | 12 | 38 | 7 |
Female | 4 | 40 | 9 |
Smokers | 2 | 26 | 9 |
Ex-smokers | 14 | 52 | 7 |
Average age, years (SD) | 66.8 (6.9) | 71.0 (8.6) | 72.0 (9.7) |
Mild disease (FEV1 80–50%) | 9 | 59 | 13 |
Moderate disease (FEV1 49–30%) | 5 | 17 | 3 |
Severe disease (FEV1 <30%) | 2 | 1 | 0 |
FEV1 = forced expiratory volume in the first second.