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| Age* (years) | 61.1 (10.5) |
| Sex (F/M) | 3/12 |
| FEV1%Pred* | 79.3 (15.3) |
| FEV1/FVC%* | 70.6 (9.3) |
| Pack years* | 40.0 (22.9) |
| Ex‐smokers/current smokers | 8/7 |
| Steroid inhaler (yes/no) | 4/11 |
| Oral steroid (yes/no) | 1/14 |
F, female; FEV1, forced expiratory volume in one second; FEV1% Pred, forced expiratory volume in one second, expressed as a percentage of the predicated value; FVC, forced vital capacity; M, male.
*Data are given as mean (SD)
