| Asthma | COPD | P value |
Age (y) | 70.5 ± 6.7 | 72.8 ± 8.0 | 0.221 |
Gender, % female (%) | 43.8 | 12.5 | - |
BMI | 24.6 ± 3.2 | 22.4 ± 3.1 | 0.012 |
Pack-years | 41.0 ± 35.1 | 64.5 ± 51.1 | 0.069 |
FEV1 (% predicted) | 79.5 ± 23.1 | 76.5 ± 18.7 | 0.779 |
i/e-SVC ratio | 0.71 ± 0.15 | 0.71 ± 0.15 | 0.979 |
%CSA < 5 (%) | 1.34 ± 0.29 | 0.68 ± 0.19 | <0.001* |
i/e-LV ratio | 1.49 ± 0.27 | 1.45 ± 0.26 | 0.550 |