Figure 3From: Developing regional genetic counseling for southern Chinese with nonsyndromic hearing impairment: a unique mutational spectrum The significance of genetic counseling services for NSHI in the south Chinese population. (A) In total, 32% of the south China population of patients with NSHI could be diagnosed with hereditary deafness. (B) The carrying frequency of a common mutation was 45.1% in the south China population of patients with NSHI.Back to article page