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Table 1 235del mutation frequencies of of GJB2 allele in the individual studies

From: A systematic review and meta-analysis of 235delC mutation of GJB2 gene

No

Relevant Studies

TOTAL

HETRO

HOMO

TOTAL%

1

Ohtsuka A, et al. 2003 [10]

1227

92

16

5.05%

2

Batissoco AC, et al. 2009 [11]

300

1

0

0.17%

3

Wattanasirichaigoon D, et al. 2004 [12]

166

6

2

3.01%

4

Padma G, et al. 2009 [13]

456

0

1

0.22%

5

Park HJ, et al. 2000 [14]

147

5

5

5.10%

6

Shalin H, et al. 2002 [15]

48

0

1

2.08%

7

Lee KY, et al. 2008 [16]

29

0

2

6.90%

8

Schimmenti LA, et al. 2008 [17]

95

0

1

1.05%

9

Posukh O, et al. 2005 [18]

76

4

1

3.95%

10

Abe S, et al. 2000 [19]

35

4

1

8.57%

11

Tang, HY et al. 2006 [20]

610

1

0

0.08%

12

Tekin M, et al. 2010 [21]

534

12

2

1.50%

13

Kudo T, et al. 2000 [22]

63

1

3

5.56%

15

Cheng X, et al. 2005 [23]

740

1

1

0.20%

16

Wang YC, et al. 2002 [24]

169

6

8

6.51%

17

Chen D, et al. 2009 [25]

100

10

16

21.00%

18

Xiao ZA, et al. 2004 [26]

131

2

9

7.63%

19

Wang SH, et al. 2009 [27]

140

7

20

16.79%

20

Hwa, HL et al. 2003 [28]

324

16

11

5.86%

21

Shi GZ, et al. 2004 [29]

20

3

3

22.50%

22

Dai P, et al. 2007 [30]

3004

255

233

12.00%

23

Liu ZX, et al. 2002 [31]

118

20

14

20.34%

24

Liu YH, et al.2002 [32]

210

13

27

15.95%

  1. (* χ2 = 6.667, P <0.05. A significant heterogeneity was found in the 235del mutation frequency of GJB2 allele).