What is the prevalence of Tourette syndrome (TS) and other tic disorders in the US?

Updated: May 30, 2019
  • Author: William C Robertson, Jr, MD; Chief Editor: Stephen L Nelson, Jr, MD, PhD, FAACPDM, FAAN, FAAP  more...
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The exact prevalence of TS is not known. This is in part because of the lack of agreement on a precise definition of the disorder. Observational studies have suggested a prevalence of 0.7%, with up to 4.2% of all children having some type of tic disorder.

The Centers for Disease Control and Prevention (CDC) estimate that the prevalence of a lifetime diagnosis of TS is 3 cases per 1,000 population. This estimate is based on parent report of TS diagnosed by a physician or other healthcare provider from a nationally representative sample of US children and adolescents aged 6-17 years. [130]

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