What is the prevalence of fibromyalgia in the US?

Updated: Nov 14, 2018
  • Author: Chad S Boomershine, MD, PhD, CPI, CPT; Chief Editor: Herbert S Diamond, MD  more...
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Answer

Wolfe et al estimated that the prevalence of fibromyalgia in the US general population was 2% (3.5% in women and 0.5% in men). [63] However, this estimation was reached using the original 1990 American College of Rheumatology (ACR) classification criteria, [9] and those classification criteria miss nearly half the patients clinically diagnosed with fibromyalgia, [10] Thus, this estimate is probably low. It is especially likely to have underestimated the prevalence in men, who have fewer positive tender points and so are less likely to meet the classification criteria.

A study by Vincent et al using the 2010 ACR diagnostic criteria estimated the prevalence of fibromyalgia at 6.4% (7.7% in women and 4.9% in men). [80] It is likely that this higher prevalence rate is a more accurate estimate.


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