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Functional assessment parameters
| Parameter (mean±SD) | Case (n=24) | Control (n=18) | P |
|---|---|---|---|
| 6 min walk distance (m) | 387.5±92.8 | 465.6±132.5 | 0.04 |
| CAT score | 13.1±6.2 | 6.3±4.8 | 0.001 |
| FEV1 (l) | 1.12±0.4 | 2.41±0.5 | 0.001 |
| FEV1/FVC ratio | 63.2±8.4 | 83.9±7.1 | 0.001 |
SD: Standard deviation, COPD: Chronic obstructive pulmonary disease, CAT score: COPD assessment test, FEV1: Forced expiratory volume in 1 s, FVC: Forced vital capacity
