RHEUMATOID ARTHRITIS

RA is a common condition with a prevalence of 1%. This can vary between 0.5% to 1.2% in various parts of the world. The incidence increases with age with a peak onset in the 4th and 5th decades. RA is 2 to 4 times more common in women. Approximately 1/3 of people stop work within 2 years of onset of RA. ................
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