What is the incidence of immune thrombocytopenia (ITP) in the US?

Updated: Dec 14, 2019
  • Author: Michael A Silverman, MD, MD; Chief Editor: Gil Z Shlamovitz, MD, FACEP  more...
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Answer

Incidence rates are as follows:

  • The incidence of ITP in adults is approximately 66 cases per 1,000,000 per year
  • An average estimate of the incidence in children is 50 cases per 1,000,000 per year
  • New cases of chronic refractory ITP comprise approximately 10 cases per 1,000,000 per year

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