
Daily Step Count Is Associated With Plasma C-Reactive Protein and IL-6 in a US Cohort With COPD
Keywords: 6MWT, 6-min walk test; AE, acute exacerbation; CRP, C-reactive protein; GOLD, Global Initiative for Chronic Obstructive Lung Disease; IQR, interquartile range; NSAID, nonsteroidal antiinflammatory drug; PA, physical activity; SAM, StepWatch Activity Monit