Table 1 Characteristics of the included studies in the meta-analysis
Study | Ethnicity | Language | Cases/controls | HBV-positive cases/controls | Source of controls | Matching factors | Genotyping method | HWEa |
|---|---|---|---|---|---|---|---|---|
Zhang 2010 Guangxi | Chinese | English | 348/359 | 348/359 | Population based | Age, sex, geographic regions | Affymetrix Genome-Wide Human SNP Array5.0 | Yes |
Zhang 2010 Beijing | Chinese | English | 276/266 | 276/266 | Population based | Age, sex, geographic regions | SNPstream 12-plex Genotyping System | Yes |
Zhang 2010 Jiangsu | Chinese | English | 507/215 | 507/215 | Population based | Age, sex, geographic regions | TaqMan | Yes |
Zhang 2010 Guangdong | Chinese | English | 751/509 | 751/509 | Hospital based | Age, sex, geographic regions | TaqMan | Yes |
Zhang 2010 Shanghai | Chinese | English | 428/440 | 428/440 | Hospital based | Age, sex, geographic regions | TaqMan | Yes |
Hu 2012 | Chinese | English | 1293/2671 | 1293/1334 | Population based | Age, sex | TaqMan | Yes |
Li 2012 Central | Chinese | English | 480/484 | 480/484 | Population based | Age, sex, geographic regions | iPLEX, TaqMan | Yes |
Li 2012 Southern | Chinese | English | 1058/981 | 1058/981 | Population based | Age, sex, geographic regions | iPLEX, TaqMan | Yes |
Sawai 2012 Japan1 | Japanese | English | 179/769 | 179/769 | Population based | – | PCR-based Invader assay | Yes |
Sawai 2012 Japan2 | Japanese | English | 142/251 | 142/251 | Hospital based | – | TaqMan | Yes |
Sawai 2012 Korea | Korean | English | 164/144 | 164/144 | Population based | – | TaqMan | Yes |
Sawai 2012 Hong Kong | Chinese | English | 93/187 | 93/187 | Hospital based | – | TaqMan | Yes |
Chen 2013 | Chinese | English | 503/772 | 503/772 | Hospital based | Age, sex | TaqMan | Yes |
Jiang 2013 | Chinese | English | 1161/1353 | 1161/1353 | Population based | – | MassARRAY, TaqMan | Yes |
Sopipong 2013 | Thais | English | 202/196 | 202/196 | Hospital based | – | TaqMan | Yes |
Su 2014 | Chinese | English | 160/160 | 0/0 | Population based | Age, sex | iPLEX | Yes |
Pan 2015 | Chinese | Chinese | 376/403 | 101/11 | Hospital based | Age, sex, geographic regions | MassARRAY | Yes |
Chen 2016 | Chinese | English | 306/306 | 229/54 | Hospital based | Age, sex | TaqMan | Yes |