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Table 3 Multivariate regression analysis in COPD patients with VO 2 (in ml/min/kg) at peak exercise as the dependent variable

From: Increased difference between slow and forced vital capacity is associated with reduced exercise tolerance in COPD patients

Independent variable

Coefficient

p-value

Age, yr

-0.173

0.001

FEV1, % predicted

0.098

<0.001

VC-FVC, L

-5.122

0.001

  1. VC-FVC = difference between VC and FVC; FEV1 = forced expiratory volume in one second.
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BMC Pulmonary Medicine

ISSN: 1471-2466

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