|  |  |  | Case | Control |  |  |
---|
Study | Population location | Year | Age | TT | TC | CC | TT | TC | CC | OR | 95%CI |
---|
Su, D J[91] | Heilongjiang | 2008 | 36.69 ± 11.53 | 63 | 78 | 40 | 117 | 29 | 5 | 8.28 | 3.18-21.59 |
Wang, P[92] | Shandong | 2006 | 43.32 | 250 | 45 | 1 | 236 | 33 | 1 | 0.91 | 0.06-14.65 |
Xiong, J Y[93] | Guangdong | 2009 | 6-13 | 71 | 19 | 2 | 80 | 10 | 1 | 2.00 | 0.18-22.45 |