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Table 5 Main data of all studies included in the meta-analysis for the -223G/A (Ile/Val) polymorphism in IL-4R gene

From: Asthma susceptible genes in Chinese population: A meta-analysis

     Case Control   
Study Population location Year Age AA AG GG AA AG GG OR 95%CI
Chan, I H [16] Hong Kong 2008 10.4 ± 3.7 79 159 57 49 80 38 0.81 0.51-1.29
Deng, R Q[44] Guangdong 2006 8-75 24 47 29 9 33 58 0.30 0.16-0.53
Yang, Q[45] Jiangxi 2004 18-71 6 21 7 8 16 5 1.24 0.35-4.44
Zhang, H[42] Shanghai 2007 - 106 168 78 44 53 17 1.62 0.92-2.88
Zhang, W[43] Singapore 2007 - 32 84 29 42 76 39 0.76 0.44-1.30
Wang, J Y[27] Taiwan 2009 7.82 ± 3.81 105 201 139 124 250 136 1.25 0.94-1.65
Wu, X H[40] Hubei 2010 8.8 46 131 75 59 110 58 1.23 0.83-1.85