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| Group | Gender (F/M) | Age (mean, (SD)) | % FEV1 (pre) | % FEV1 (post) | Pack years |
|---|---|---|---|---|---|
| GOLD (0–1) | 2/4 | 56 (8) | 89 (78–100) | 94 (85–100) | 39 (4–74) |
| GOLD (2) | 1/3 | 51 (6) | 48 (38 – 59) | 54 (46–63) | 30 (-3 – 63) |
| GOLD (3–4) | 2/3 | 54 (4) | 24 (8 – 41) | 46 | 48 (15–81) |
% predicted pre and post bronchodilator
Spirometry data not available for healthy donors
