Table 2. Distribution of genotypes and alleles in the individual study.
First author,published year | Genotype | Gene allele | Allele frequency | HWE for controls | |||||||||||
Case | Control | Case | Control | Case | Control | ||||||||||
CC | CT | TT | CC | CT | TT | Total | C | T | C | T | C | C | x2 | P | |
Li Y,2007 | 45 | 104 | 11 | 12 | 66 | 14 | 252 | 194 | 126 | 90 | 94 | 0.61 | 0.49 | 17.45 | 2.956E-05 |
WangCP, 2009 | 121 | 257 | 96 | 35 | 118 | 72 | 699 | 499 | 449 | 188 | 262 | 0.53 | 0.42 | 1.37 | 0.242 |
TianCX, 2010 | 96 | 116 | 36 | 42 | 102 | 62 | 454 | 308 | 188 | 186 | 226 | 0.62 | 0.45 | 1.6788E-05 | 0.997 |
Yan JC,2010 | 95 | 216 | 88 | 26 | 87 | 50 | 562 | 406 | 392 | 139 | 187 | 0.51 | 0.43 | 1.35 | 0.245 |
WangM,2011 | 53 | 87 | 20 | 41 | 96 | 43 | 340 | 193 | 127 | 178 | 182 | 0.60 | 0.49 | 0.80 | 0.370 |
Ma Y,2013 | 54 | 196 | 36 | 112 | 173 | 51 | 622 | 304 | 268 | 397 | 275 | 0.53 | 0.59 | 1.41 | 0.234 |
ZhangBK,2013 | 110 | 216 | 76 | 243 | 335 | 115 | 1095 | 436 | 368 | 821 | 565 | 0.54 | 0.59 | 6.38E-04 | 0.980 |
Abbreviation: HWE, Hardy-Weinberg equilibrium.