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. Author manuscript; available in PMC: 2016 Jun 24.
Published in final edited form as: J Neurol Neurosurg Psychiatry. 2014 Aug 25;86(6):635–639. doi: 10.1136/jnnp-2013-307390

Table 2.

CMT Genotype Distributions

CMT Type Online Questionnaire Self-Report Historical Rates12,13
CMT1A 51.2% 37–40.9%
CMT1B 4.2% 3.1–5.7%
CMT1X 3.6% 10.2–10.8%
CMT2A 12.1% 2.7–4.4%
HNPP 0.6% 0.05–6.1%
CMT4 3.6% n/a
Unknowns 24.7% 37.4–42%