Among the Chinese CMT patients 31.9% are caused by PMP22 duplication, 6.2% by CX32, and 0.9% by HSP22, HSP27, MPZ and GDAP1. Point mutations of PMP22, EGR2 and NEFL are rare.

• CMT的PMP22基因重复突变所占比例为31.；9%25；CX32基因突变所占比例为6