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Multivariate regression analysis in COPD patients with VO 2 (in ml/min/kg) at peak exercise as the dependent variable
| Independent variable | Coefficient | p-value |
|---|---|---|
| Age, yr |
-0.173 |
0.001 |
| FEV1, % predicted |
0.098 |
<0.001 |
| VC-FVC, L | -5.122 | 0.001 |
VC-FVC = difference between VC and FVC; FEV1 = forced expiratory volume in one second.
