What is the global prevalence of Prader-Willi syndrome (PWS)?

Updated: Oct 10, 2018
  • Author: Ann Scheimann, MD, MBA; Chief Editor: Luis O Rohena, MD, FAAP, FACMG  more...
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Answer

Prader-Willi syndrome has been reported worldwide. Reported prevalence rates for Prader-Willi syndrome range from 1 per 8000 population in rural Sweden to 1 per 16,000 population in western Japan. [28, 29] Despite findings that suggest a prevalence rate of 1 per 52,000 population in the United Kingdom, Whittington et al estimate that the actual prevalence rate is higher and propose a true prevalence rate of 1 per 45,000 population. [30]


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