What is the global prevalence of sporadic inclusion body myositis (s-IBM)?

Updated: Jun 08, 2018
  • Author: Michael P Collins, MD; Chief Editor: Nicholas Lorenzo, MD, MHA, CPE  more...
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In 2 population-based studies, a prevalence of 4.9 per million was reported in the Netherlands (which was felt to be an underestimate) and 9.3 per million in western Australia. The corresponding figures for individuals older than 50 years were 16 and 35.3 per million, respectively. [64, 65] A western Australian survey in 2006 revealed a prevalence of 39.5 per million for individuals older than 50 years (unpublished).

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