Table 1 The features of the included study
First author | Year of | Genotyping method | Total sample size | Number of controls | Number of cases | Study | Ethnic | NOS |
|---|---|---|---|---|---|---|---|---|
Wu MS | 2003 | Direct Sequencing | 450 | 230 | 220 | China | Asians | 7 |
Savage SA | 2004 | ABI Genetic Analyzer | 466 | 382 | 84 | China | Asians | 5 |
Alpízar-Alpízar W | 2005 | Pyrosequencing | 90 | 45 | 45 | Costa Rica | Latinos | 6 |
Zambon CF | 2005 | TaqMan | 773 | 644 | 129 | Italy | Caucasians | 5 |
Kamangar F | 2006 | TaqMan | 250 | 152 | 98 | Finland | Caucasians | 8 |
Sugimoto M | 2007 | ASP | 273 | 168 | 105 | Iapan | Asians | 6.5 |
Crusius JB | 2008 | ABI real-time PCR | 1323 | 1094 | 229 | European | Caucasians | 8.5 |
Xiao H | 2009 | RFLP | 844 | 624 | 220 | China | Asians | 6 |
Ko KP | 2009 | SNaPshot | 409 | 326 | 83 | Korea | Asians | 7 |
Su SP | 2010 | RFLP | 143 | 100 | 43 | China | Asians | 6.5 |
Liu J | 2011 | RFLP | 477 | 243 | 234 | China | Asians | 6.5 |
Zeng X | 2012 | ABI Prism SNaPshot Multiplex kit | 305 | 154 | 151 | China | Asians | 6 |
Li L | 2016 | RFLP | 405 | 248 | 157 | China | Asians | 6 |
Sarah Yang | 2017 | Affymetrix Axiom Exom 319 Array | 1131 | 754 | 377 | Korea | Asians | 7 |
Liu Sa | 2018 | RFLP | 440 | 232 | 208 | China | Asians | 7 |