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Osteoarthritis Knee Pain Linked to Vitamin D, Race
Vitamin D deficiency may be a risk factor for increased knee osteoarthritic pain in black Americans, according to a study published online November 7, 2012 in Arthritis & Rheumatism.
Toni Glover, MSN, ARNP, a PhD student at the University of Florida, Gainesville, and colleagues conducted a cross-sectional study in which 94 adults completed questionnaires and underwent sensory testing for heat and mechanical pain between January 2010 and August 2011. Participants were 75% women, they had an average age of 55.8 years, 45 were black, and 49 were white.
Study limitations include that participants were part of a “convenience sample of community-dwelling adults” whose average age (55.8 years) was relatively young. The authors conclude, however, that “if additional research demonstrates improving vitamin D status lessens knee osteoarthritic pain, identifying and treating vitamin D insufficiency and deficiency may improve function for older adults with osteoarthritis, and reduce health disparities for black Americans.”
Arthritis Rheum. Published online November 7, 2012. Abstract
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