Lupus Arthritis Incidence
Facts about lupus:
- About 1.5 million people in the US have lupus.
- Lupus is more common in women than in men.
- Lupus is most common in young, African-American women.
- Age of onset is between 25 and 45 years.
Continue to Lupus Arthritis Risk Factors
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- Petri M. Review of classification criteria for systemic lupus erythematosus. Rheum Dis Clin North Am. 2005 May;31(2):245-54, vi. 
- Yacoub Wasef SZ. Gender differences in systemic lupus erythematosus. Gend Med. 2004 Aug;1(1):12-7.