Table 1 Basic information of eligible studies
Study ID | Year | Country | Ethnicity | Genotyping method | Case | Control | P for HWE∗ | NOS | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GG | GC | CC | GG | GC | CC | |||||||
Kadkhodazadeh et al. | 2012 | Iran | Iranian | PCR-RFLP | 31 | 4 | 5 | 55 | 30 | 4 | 0.972 | 7 |
Silva et al. | 2020 | Brazil | Brazilian | RT-qPCR | 2 | 2 | 6 | 14 | 30 | 22 | 0.53 | 8 |
Zhou et al. | 2016 | China | Chinese | PCR-RFLP | 31 | 50 | 29 | 42 | 56 | 18 | 0.925 | 7 |