Polymyalgia rheumatica epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Polymyalgia rheumatica affects mostly sybjects who are more than 50 years of age. The prevalence of PMR is highest among subjects from Scandanavian countries and those from northern European origin.

Epidemiology and Demographics

• PMR affects approximately 711,000 subjects in the United States.
• There is a geographical association with the prevalence of PMR; in fact, PMR occurs more among subjects from Scandanavian countries and those from northern European origin.
• PMR affects mostly affects people who are older than 50 years of age.
• The mean age for the occurrence of PMR is 74 years.
• PMR is twice as common in females than in males.
• There is an association between PMR and giant cell arteritis. While 40 to 60% of patients with giant cell arteritis have PMR, 16 to 21%of patients with PMR develop giant cell arteritis.