What is the global prevalence of mixed connective-tissue disorder (MCTD)?

Updated: Oct 01, 2018
  • Author: Eric L Greidinger, MD; Chief Editor: Herbert S Diamond, MD  more...
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Answer

In an epidemiological survey in Japan, MCTD has a reported prevalence of 2.7 cases per 100,000 population. [13] A population-based study in Norway found the point prevalence rate to be 3.8 cases per 100,000 adult population, with a female-to-male ratio of 3.3, and an annual incidence rate of  2.1 per million. [14]  


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