Characteristics | Control (n = 19) | COPD (n = 29) |
---|---|---|
Age, years | 68 ± 6 | 66 ± 5 |
Smoking, pack-years | 3.4 ± 10.4 | 64.4 ± 37.1* |
Weight, kg | 80.1 ± 14.2 | 71.2 ± 17.2 |
Height, m | 171.9 ± 4.4 | 169.7 ± 7.5 |
BMI, kg/m2 | 26.8 ± 3.8 | 28.8 ± 11.9 |
FEV1, % pred | 107.9 ± 21.9 | 40.7 ± 13.9* |
FEV1/FVC, % pred | 78.5 ± 7.3 | 51.4 ± 13.9* |
TLC, % pred | 103.1 ± 13.3 | 122.2 ± 17.2* |
RV, % pred | 95.8 ± 37.1 | 172.1 ± 37.4* |
DLCO, % pred | 105.3 ± 14.3 | 53.2 ± 16.7* |
Peak VO2, % pred | 92.2 ± 17.4 | 38.4 ± 13.3* |
Peak work, % pred | 112.3 ± 21.6 | 36.5 ± 19.3* |
Fiber CSA (μm2) | 5684.6 ± 1328.7 | 5007.9 ± 1181.4 |
Fiber type 1, % | 48.10 ± 20.3 | 24.0 ± 9.8* |
Type II shiftersa, % | 20 | 73* |