What is the prevalence of stiff person syndrome?

Updated: Jun 14, 2018
  • Author: Nancy Theresa Rodgers-Neame, MD; Chief Editor: Nicholas Lorenzo, MD, MHA, CPE  more...
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Stiff person syndrome is rare. Between 2000 and 2005, only 119 cases were identified in the United Kingdom. [29] Age of onset varies (30 to 60 years) and most frequently affects people in their 40s. [29] Stiff person syndrome does not predominantly occur in any racial or ethnic group. [30]

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