Table 1 Characteristics of each study included in the meta-analysis
First author | Year | Country | Race | NOS | SNP | Case | Assay | Control | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
AA/AB/BB | Type | AA/AB/BB | Source | HWE | |||||||
Balaji | 2011 | India | Mixed | 8 | rs3813867 | 151/6/0 | HNSCC | TaqMan allelic discrimination | 125/7/0 | PB | Y |
rs2031920 | 151/6/0 | HNSCC | TaqMan allelic discrimination | 125/7/0 | PB | Y | |||||
rs2031920/rs3813867 | 151/6/0 | HNSCC | TaqMan allelic discrimination | 125/7/0 | PB | Y | |||||
Bhat | 2014 | India | Asian | 6 | rs2031920 | 366/148/12 | ESCC | PCR–RFLP | 207/308/11 | HB | N |
Bouchardy | 2000 | France | Caucasian | 7 | rs2031920 | 109/11/1 | HNSCC | PCR–RFLP | 164/8/0 | HB | Y |
Brocic | 2011 | Serbia | Caucasian | 9 | rs2031920 | 105/13/5 | HNSCC | PCR–RFLP | 160/16/1 | PB | Y |
Cao | 2014 | China | Asian | 7 | rs3813867 | 143/44/2 | LSCC | PCR–RFLP | 340/168/18 | HB | Y |
Cury | 2012 | Brazil | Africa | 7 | rs3813867 | 160/141 | HNSCC | PCR–RFLP | 242/361 | PB | Y |
Ferreira | 2006 | Portugal | Caucasian | 7 | rs2031920 | 113/91 | CSCC | PCR–RFLP | 224/111 | PB | Y |
Gajecka | 2005 | Poland | Caucasian | 6 | rs2031920 | 279/9/0 | HNSCC | PCR–RFLP | 305/18/0 | PB | Y |
Gattas | 2006 | Brazil | Africa | 6 | rs3813867 | 90/13/0 | HNSCC | PCR–RFLP | 96/6/0 | HB | Y |
rs3813867 | 31/7/0a | HNSCC | PCR–RFLP | 96/6/0 | HB | Y | |||||
Gonzalez | 1998 | Spain | Caucasian | 6 | rs3813867 | 68/6/1 | HNSCC | PCR–RFLP | 179/21/0 | PB | Y |
Guo | 2012 | China | Asian | 8 | rs2031920 | 195/1252 | HNSCC | PCR–RFLP | 254/662 | PB | NR |
Guo | 2008 | China | Asian | 8 | rs2031920/rs3813867 | 57/16/7 | ESCC | PCR–RFLP | 225/180/75 | PB | N |
Huang | 2000 | China | Asian | 8 | rs2031920 | 10/13/1 | LSCC | PCR–RFLP | 152/101/7 | PB | N |
Le | 1998 | USA | Mixed | 8 | rs2031920 | 56/17/1 | LSCC | PCR–RFLP | 338/102/14 | PB | Y |
Lee | 2006 | Korea | Asian | 6 | rs2031920 | 30/37/6 | LSCC | PCR–RFLP | 90/89/12 | HB | Y |
Li, D | 2005 | South Africa | Mixed | 8 | rs2031920 | 184/5/0 | ESCC | SSCP | 191/7/0 | PB | Y |
rs3813867 | 184/5/0 | ESCC | SSCP | 187/11/0 | PB | Y | |||||
Li | 2008 | China | Asian | 7 | rs2031920/rs3813867 | 39/311 | LSCC | PCR–RFLP | 83/691 | PB | Y |
Li, G | 2005 | USA | Caucasian | 6 | rs3813867 | 684/37/3 | HNSCC | PCR–RFLP | 1137/86/3 | HB | Y |
Li | 2011 | China | Asian | 6 | rs3813867 | 159/67/0 | ESCC | PCR–RFLP | 173/62/11 | HB | Y |
Li | 2000 | China | Asian | 7 | rs2031920 | 40/11/2 | LSCC | PCR–RFLP | 75/57/5 | PB | Y |
Liu | 2007 | China | Asian | 8 | rs2031920 | 34/33/10 | ESCC | PCR–RFLP | 45/29/5 | PB | Y |
Matthias | 2003 | Germany | Caucasian | 6 | rs2031920/rs3813867 | 307/18/1b | HNSCC | PCR–RFLP | 165/10/0 | HB | Y |
rs2031920/rs3813867 | 35/3/0c | HNSCC | PCR–RFLP | 165/10/0 | HB | Y | |||||
Morita | 1997 | Japan | Asian | 8 | rs2031920/rs3813867 | 34/18/1 | ESCC | PCR–RFLP | 85/42/5 | PB | Y |
Neuhaus | 2004 | Germany | Caucasian | 6 | rs2031920 | 304/8/0 | HNSCC | PCR | 282/13/2 | PB | N |
Nishino | 2008 | Japan | Asian | 6 | rs2031920 | 74/44/6 | CSCC | PCR–RFLP | 68/42/7 | PB | Y |
Oyama | 2002 | Japan | Asian | 6 | rs2031920 | 40/8/5 | LSCC | PCR–RFLP | 391/196/25 | PB | Y |
Pandey | 2012 | India | Caucasian | 7 | rs2031920 | 47/31 | HNSCC | PCR–RFLP | 35/151 | PB | NR |
Ruwali | 2010 | India | Asian | 6 | rs2031920 | 327/231 | HNSCC | NR | 343/71 | PB | NR |
Soya | 2008 | India | Asian | 7 | rs2031920/rs3813867 | 394/141 | HNSCC | PCR–RFLP | 212/81 | HB | Y |
Tai | 2010 | China | Asian | 9 | rs2031920 | 184/81/13 | HNSCC | PCR–RFLP | 182/84/12 | PB | Y |
Tan | 2010 | China | Asian | 9 | rs2031920 | 107/31/12 | ESCC | PCR–RFLP | 66/77/7 | PB | N |
Wang | 2012 | China | Asian | 8 | rs3813867 | 156/74/10d | ESCC | Gel-based DNA microarray | 131/94/20 | PB | Y |
rs3813867 | 149/85/8e | ESCC | Gel-based DNA microarray | 109/94/18 | PB | Y | |||||
rs2031920 | 154/76/10d | ESCC | Gel-based DNA microarray | 131/94/20 | PB | Y | |||||
rs2031920 | 141/93/8e | ESCC | Gel-based DNA microarray | 108/95/18 | PB | Y | |||||