What is the prevalence of thyroid storm?

Updated: Mar 16, 2020
  • Author: Madhusmita Misra, MD, MPH; Chief Editor: Robert P Hoffman, MD  more...
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In the US, the true frequency of thyrotoxicosis and thyroid storm in children is unknown. The incidence of thyrotoxicosis increases with age. Thyrotoxicosis may affect as many as 2% of older women. Children constitute less than 5% of all thyrotoxicosis cases. Graves disease is the most common cause of childhood thyrotoxicosis and, in a possibly high estimate, reportedly affects 0.2-0.4% of the pediatric and adolescent population. About 1-2% of neonates born to mothers with Graves disease manifest thyrotoxicosis.

Based on nationwide surveys conducted between 2004 and 2008, the incidence of thyroid storm in Japan has been estimated to be 0.2 persons per 100,000 population, with the rate of thyroid storm in all thyrotoxic patients being 0.22%, and in hospitalized thyrotoxic patients, 5.4%. [7]

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