-- Robert Preidt
FRIDAY, Oct. 21 (HealthDay News) -- Blacks have a higher rate of
multiple, large-joint osteoarthritis and knee osteoarthritis than
whites do, a new study finds.
Osteoarthritis is a painful chronic disease caused by a loss of
cartilage in the joints.
Researchers assessed white and black men and women aged 45 and
older who were participants in the Johnston County Osteoarthritis
Project, and found that osteoarthritis affected 62 percent in the
spine, 42 percent in the knee, 36 percent in the hip and 32 percent
in the hands.
After adjusting for age, gender and body-mass index, the
investigators noted that blacks were twice as likely as whites to
have knee osteoarthritis and 77 percent more likely to have knee
and spine osteoarthritis together, but were much less likely to
have osteoarthritis in fingertip joints alone or with other hand
Other than fingertip joints, rates of osteoarthritis in hand
joints were similar for both blacks and whites, according to the
report published online Oct. 20 in the journal
Arthritis & Rheumatism.
"Racial differences in osteoarthritis phenotypes were more significant than gender disparity," Dr. Amanda Nelson, of the University of North Carolina at Chapel Hill Rheumatology/Thurston Arthritis Research Center, explained in a journal news release. "Our findings suggest a substantial health burden of large-joint osteoarthritis, particularly hip and spine, among African-Americans and further studies that address this concern are warranted."
Osteoarthritis typically affects multiple joints and is the most
common type of arthritis. More than 27 million U.S. adults aged 25
and older have osteoarthritis, according to the U.S. National
Institute of Arthritis and Musculoskeletal and Skin Diseases.
The U.S. National Institute of Arthritis and Musculoskeletal and
Skin Diseases has more about
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