The prevalence of fibromyalgia in the United States was reported to range from 500-5,000 per 100,000 persons. Females are more commonly affected than males with a ratio of 9:1. People from ages 20 to 50 are more commonly affected. Fibromyalgia has no racial predilection.
Fibromyalgia epidemiology and demographics
Polymyalgia rheumatica epidemiology and demographics
Back pain epidemiology and demographics
Ankylosing spondylitis epidemiology and demographics
Osteoarthritis epidemiology and demographics
Fibromyalgia diagnostic criteria
Rheumatoid arthritis epidemiology and demographics
Fibromyalgia classification