Table 2.
Allele distribution of included studies
| Author | Year | Country | Case | Control | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CC | CT | TT | C | T | CC | CT | TT | C | T | |||
| Aaron R. Everitt | 2012 | England and Scotland | 3 | 4 | 46 | 10 | 96 | 0 | 41 | 462 | 41 | 965 |
| Tara C. Mills | 2014 | UK | 2 | 25 | 266 | 29 | 557 | 4 | 202 | 2417 | 210 | 5036 |
| Zhongfang Wang | 2013 | China | 6 | 7 | 3 | 19 | 13 | 47 | 105 | 56 | 199 | 217 |
| Yong-Hong Zhang | 2013 | China | 35 | 39 | 9 | 109 | 57 | 47 | 105 | 56 | 199 | 217 |
| M. López-Rodríguez | 2016 | Spain | 1 | 13 | 104 | 15 | 221 | 0 | 17 | 229 | 17 | 475 |
| Adrienne G. Randolph (white non-Hispanic) | 2017 | Caucasian- | 2 | 10 | 173 | 14 | 356 | 0 | 41 | 462 | 41 | 965 |
| Adrienne G. Randolph (AFR-Am) | 2017 | African | 4 | 21 | 31 | 29 | 83 | 46 | 252 | 363 | 344 | 978 |
| Nelson Lee | 2017 | China | 98 | 115 | 62 | 311 | 239 | 47 | 105 | 56 | 199 | 217 |
| Susana David | 2017 | Portugal | 1 | 6 | 34 | 8 | 74 | 0 | 24 | 176 | 24 | 376 |
| Yang Pan | 2017 | China | 123 | 94 | 28 | 340 | 150 | 15 | 34 | 16 | 64 | 66 |