|  |  |  | Case | Control |  |  |
---|
Study | Population location | Year | Age | CC | CG | GG | CC | CG | GG | OR | 95%CI |
---|
Liu, M[94] | Yunnan | 2005 | 7.2 ± 4.8 | 25 | 6 | 1 | 29 | 3 | 0 | 2.71 | 0.63-11.59 |
Wang, L J[95] | Hubei | 2004 | 9 ± 3 | 65 | 31 | 4 | 72 | 17 | 1 | 2.15 | 1.11-4.17 |
Yao, T C[96] | Taiwan | 2003 | - | 134 | 39 | 9 | 83 | 23 | 1 | 1.24 | 0.71-2.17 |