Table 2.
References | Country (Ethnicity) | Sample size | Genotype distribution (Case) | Genotype distribution (Control) | Source of control | Genotyping method | HWE | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cases | Controls | AA | AG | GG | A | G | AA | AG | GG | A | G | |||||
Sugawara et al., 2003 | Japan (Asian) | 75 | 31 | 48 | 27 | 0 | 123 | 27 | 21 | 10 | 0 | 52 | 10 | PB | PCR | Yes |
Huang et al., 2006 | China (Asian) | 113 | 113 | 36 | 62 | 1 | 134 | 64 | 14 | 95 | 1 | 123 | 97 | HB | PCR-RFLP | No |
Joseph et al., 2006 | India (Caucasian) | 147 | 165 | 91 | 45 | 11 | 227 | 67 | 136 | 26 | 3 | 298 | 32 | PB | PCR-RFLP | Yes |
Gutman et al., 2009 | Israel (Caucasian) | 43 | 123 | 29 | 14 | 0 | 72 | 14 | 85 | 31 | 5 | 201 | 41 | PB | PCR-RFLP | Yes |
Zhang, 2009 | China (Asian) | 50 | 30 | 14 | 26 | 10 | 54 | 34 | 17 | 7 | 6 | 41 | 19 | HB | PCR-RFLP | No |
Shi et al., 2011 | China (Asian) | 176 | 112 | 34 | 121 | 21 | 189 | 163 | 32 | 76 | 4 | 140 | 84 | PB | PCR-RFLP | No |
Ding et al., 2011 | China (Asian) | 280 | 280 | 72 | 129 | 79 | 273 | 287 | 83 | 100 | 97 | 266 | 294 | PB | PCR-RFLP | No |
Zhang, 2011 | China (Asian) | 32 | 114 | 14 | 13 | 3 | 41 | 19 | 34 | 51 | 17 | 119 | 85 | HB | PCR-RFLP | Yes |
Abbas et al., 2014 | India (Caucasian) | 200 | 208 | 110 | 84 | 6 | 304 | 96 | 114 | 65 | 2 | 347 | 69 | PB | PCR-RFLP | No |
Roszak et al., 2014 | Poland (Caucasian) | 456 | 495 | 415 | 41 | 0 | 871 | 82 | 466 | 29 | 0 | 961 | 29 | PB | PCR-RFLP | Yes |
Li et al., 2016 | China (Asian) | 360 | 368 | 199 | 141 | 20 | 539 | 181 | 217 | 135 | 16 | 569 | 167 | PB | PCR-Taqman | Yes |
PCR-RFLP, polymerase chain reaction-restriction fragment length polymorphism; HWE, Hardy-Weinberg equilibrium.