What is the US 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

A population-based study from Olmsted County, Minnesota found that MCTD occurred in about 2 persons per 100,000 per year. Diagnosis was frequently delayed, with a median of 3.6 years elapsing from first symptom to fulfillment of diagnostic criteria. [11] A study in American Indian and Alaska Native adults found a  prevalence of 6.4 per 100,000 (95% confidence interval 2.8-12.8). [12]


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