Which patient groups have the highest prevalence of nonarticular rheumatism/regional pain syndromes?

Updated: Apr 04, 2018
  • Author: T P Sudha Rao, MD; Chief Editor: Herbert S Diamond, MD  more...
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Answer

Racial differences in prevalence have not been reported.

Localized nonarticular rheumatism occurs with fairly equal distribution between males and females. In contrast, the female-to-male ratio of fibromyalgia is about 8:1, affecting about 3.5% of females and 0.5% of males in the United States.

Nonarticular rheumatism is most common in persons aged 45-64 years, and less than 0.2% of people with nonarticular rheumatism are younger than 14 years. Fibromyalgia is most common in women in their fifth decade of life and is rare in prepubescent girls. The prevalence of fibromyalgia in women aged 60-79 years is 7%. [14, 16]


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