Daily step count predicts acute exacerbations in a US cohort with COPD.

PLoS One · 2013 · PMC3617234 · PMID 23593211

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a significant trendno p-value reported

Epidemiological studies have shown a significant trend of decreasing physical activity, assessed by self-report, and increased risk of COPD-related admissions and hospitalization readmissions for COPD exacerbation [8] , [9] .

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