Table 2: GJB2 distribution in three ethnicities.

Ethnicity Alleles (n)c.235delCc.299_300delATc.176_191del16c.35delG
HomoHeteroTotal (%)HomoHeteroTotal (%)HomoHeteroTotal (%)HomoHeteroTotal (%)

Han Chinese361811513236273.314507815.8012122.4 18102.0
Hui people61616144665.725912.90668.6 24811.4
Uyghur4145102042.61248.5 0112.1 281225.5