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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).