Table 3.

Distribution of hearing loss associated mutations in different ethnic groups.

Mutant genotypes, n (%)	Han	Zhuang	Yao	Miao	Dong	Mulao	Maonan	Tujia	Gelao
	(n = 5,265)	(n = 3,464)	(n = 220)	(n = 184)	(n = 183)	(n = 108)	(n = 14)	(n = 6)	(n = 3)
GJB2 (NM_004004.5)	61 (1.2)	29 (0.8)	2 (0.9)	2 (1.1)	3 (1.6)	4 (3.7)	0	0	1 (33.3)
c.235de1C/-	46 (0.9)	24 (0.7)	1 (0.4)	2 (1.1)	3 (1.6)	3 (2.8)	0	0	1 (33.3)
c.299_300de1AT/-	13 (0.3)	3 (0.1)	1 (0.4)	0	0	1 (0.9)	0	0	0
c.176_191del16/-	2 (0.04)	2 (0.06)	0	0	0	0	0	0	0
GJB3 (NM_024009.3)	4 (0.08)	1 (0.03)	0	0	0	0	0	0	0
c.538C>T/-	2 (0.04)	0	0	0	0	0	0	0	0
c.547G>A/-	2 (0.04)	1 (0.03)	0	0	0	0	0	0	0
SLC26A4 (NM_000441.2)	60 (1.1)	37 (1.1)	2 (0.9)	1 (0.5)	1 (0.6)	0	0	0	0
c.919-2A>G /-	30 (0.6)	16 (0.5)	0	0	1 (0.6)	0	0	0	0
c.1229C>T/-	7 (0.1)	11 (0.3)	1 (0.4)	1 (0.5)	0	0	0	0	0
c.754T>C/-	6 (0.1)	6 (0.2)	1 (0.4)	0	0	0	0	0	0
c.1707+5G>A /-	4 (0.08)	0	0	0	0	0	0	0	0
c.2168 A>G/-	4 (0.08)	0	0	0	0	0	0	0	0
c.1975G>C/-	2 (0.04)	2 (0.06)	0	0	0	0	0	0	0
c.1174 A>T/-	2 (0.04)	1 (0.03)	0	0	0	0	0	0	0
c.1226 G>A/-	1 (0.02)	0	0	0	0	0	0	0	0
c.2162C>T/-	1 (0.02)	0	0	0	0	0	0	0	0
c.749T>C/-	1 (0.02)	0	0	0	0	0	0	0	0
ac.1975G>C/c.919-2A>G	2 (0.04)	0	0	0	0	0	0	0	0
ac.919-2A>G/c.754T>C	0	1 (0.03)	0	0	0	0	0	0	0
MT-RNR1 (NC_012920.1)	10 (0.2)	5 (0.1)	0	0	0	0	1 (7.1)	1 (16.7)	0
m.1555A>G/-	7 (0.1)	5 (0.1)	0	0	0	0	1 (7.1)	1 (16.7)	0
m.1494C>T/-	2 (0.04)	0	0	0	0	0	0	0	0
am.1555A>G/m.1494C>T	1 (0.02)	0	0	0	0	0	0	0	0

^aCompound heterozygote.