zero negative rheumatoid arthritis
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what is this compared to positive rehumatoid arthritis and can the above mentioned turn into positive arthritis. what is my future prognosis. I am a soon to be 47 yr old female. |
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Rheumatoid factor is a commonly ordered blood test to help diagnose rheumatoid arthritis. About 70-90% of people with adult rheumatoid arthritis are positive for rheumatoid factor and about 20% of people remain negative for rheumatoid factor even though they have been diagnosed with rheumatoid arthritis. Therefore, a positive test for rheumatoid factor is by no means necessary to indicate disease. The result does not correlate with the activity of disease, but patients with a high amount rheumatoid factor are more likely to have erosive joint disease, extra-articular manifestations, and greater functional disability. In contrast, generally, rheumatoid factor negative patients exhibit a milder disease course. |
Last update: 11:09 AM Thursday, April 26, 2007
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Author:
Alan Matsumoto, M.D.
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