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Table 2 Main data of all studies included in the meta-analysis for the -46G/A (Arg16Gly) polymorphism in β2-AR 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 ± 3.7 101 135 59 51 89 33 1.06 0.66-1.70
Cui, LY(Han)[17] Neimenggu 2007 21-62 6 34 2 6 20 4 0.33 0.06-1.90
Cui, LY(Meng)[17] Neimenggu 2007 26-69 3 21 6 6 19 5 1.25 0.34-4.64
Gao, J M[18] Beijing 2004 38.7 ± 13.8 38 59 28 35 53 8 3.18 1.37-7.33
Li, H[19] Shanghai 2009 3-12 86 76 30 46 100 46 0.59 0.35-0.98
Liao, W[20] Chongqing 2001 5.8 ± 4.3 12 27 11 14 28 8 1.48 0.54-4.06
Qiu, Y Y(2008)[21] Jiangsu 2008 63.2 ± 5.6 25 31 14 34 55 23 0.97 0.46-2.04
Shi, X H[22] Jiangsu 2008 34(14-66) 22 19 7 10 25 13 0.46 0.17-1.28
Wang, Z[23] Anhui 2001 30.6 ± 16.2 52 54 22 38 64 34 0.62 0.34-1.14
Xie, Y[24] Shanghai 2008 4.98 ± 2.78 14 37 6 21 34 7 0.92 0.29-2.93
Xing, J[25] Beijing 2001 20-66 9 62 29 29 55 16 2.14 1.08-4.26
Zhang, X Y[26] Chongqing 2008 1.08-17 81 111 25 19 23 8 0.68 0.29-1.62
Wang, J Y[27] Taiwan 2009 7.82 ± 3.81 138 207 97 173 250 87 1.37 0.99-1.89