Hashimoto's thyroiditis epidemiology and demographics
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Epidemiology and Demographics
This disorder is believed to be the most common cause of primary hypothyroidism in North America. It occurs far more often in women than in men (10:1 to 20:1), and is most prevalent between 45 and 65 years of age.
In European countries an atrophic form of autoimmune thyroiditis (Ord's thyroiditis) is more common than Hashimoto's thyroiditis.
It affects between 0.1% and 5% of all adults in Western countries.
Various autoantibodies may be present against thyroid peroxidase, thyroglobulin and TSH receptors, although a small percentage of patients may have none of these antibodies present. A percentage of the population may also have these antibodies without developing Hashimoto's thyroiditis.
Overview
Hashimoto's thyroiditis is particularly common in females. Annually, there are around 2–5 new cases per million people worldwide.
Epidemiology and Demographics
Hashimoto's thyroiditis is more common in females.
Prevalence
The prevalence of Hashimoto's thyroiditis is 39-79 per million.
Incidence
The overall incidence of endogenous Hashimoto's thyroiditis is approximately 2–5 new cases per million people per year.
Age
There is no age predilection for Hashimoto's thyroiditis.
Gender
Hashimoto's thyroiditis is more common in females.
Race
There is no racial predilection for Hashimoto's thyroiditis.
Developed and Developing Countries
Hashimoto's thyroiditis has a worldwide distribution.