Control never-smokers | Control ex-smokers | COPD ex-smokers | |
---|---|---|---|
Subjects n | 4 | 4 | 4 |
Age, y | 61.5 ± 15 | 70.8 ± 3 | 67.0 ± 3 |
FEV1, L | 2.86 ± 0.93 | 2.65 ± 0.84 | 2.42 ± 0.51 |
FEV1 %predicted, % | 110 ± 16 | 112 ± 18 | 83.6 ± 17 *,** |
FVC, L | 3.46 ± 0.92 | 3.24 ± 1.2 | 3.72 ± 0.66 |
FEV1/FVC, % | 81.8 ± 4.5 | 77.6 ± 7.9 | 63.8 ± 8.3 *,** |