Both 6MWD and ISWD, but not VO(2) peak, were related to DEE. Because activities of daily living were performed at a high percentage of VO(2) peak, it may be more realistic to optimize habitual DEE in COPD by increasing the frequency or duration rather than the intensity of physical activity.
Department of Respiratory Medicine, University of Toronto, Toronto, ON, M5G 1V7, Canada.
Chest. 2012 Feb;141(2):406-12
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