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ACR: Physical Activity Improves Quality of Life in Osteoarthritis
Greater physical activity is linked with increased quality-adjusted life years

MONDAY, Oct. 28 (HealthDay News) -- Greater physical activity is linked with increased quality-adjusted life years (QALYs) in patients with osteoarthritis, according to research presented at the annual meeting of the American College of Rheumatology, held from Oct. 25 to 30 in San Diego.

Kai Sun, M.D., of the Northwestern University Feinberg School of Medicine in Chicago, and colleagues analyzed data from the Osteoarthritis Initiative to assess the association between levels of physical activity in patients with, or at risk for, knee osteoarthritis and estimates of QALYs, a standard measure of quality of life and cost-effectiveness of medical treatment.

The researchers found a stepwise pattern linking greater physical activity with significantly higher median QALYs over two years. The median QALYs was 0.162 higher for the group meeting the guidelines for recommended physical activity, and 0.082 higher for the insufficiently active group, compared with the inactive group.

"We found a strong graded relationship between greater physical activity and better QALYs," the authors write. "Our analysis further supports the potential effectiveness and cost-effectiveness of interventions to promote physical activity even if recommended levels are not fully attained."

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