Clinical, NCS and genetic findings among the CMT patients. (A) Histogram; the age at testing in 435 patients. (B) The distribution of age at testing within the NCS groups. (C) Boxplot: the relationship between age at onset and age at testing in 229 samples. (D) The distribution of age at disease onset (229 cases) in the group with positive (blue) and negative (green) findings. (E) The relative frequency of genetic findings. (F) The distribution of genetic findings and interpretation of disease association for 72 mutations.