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. 2016 Dec 7;4:e2706. doi: 10.7717/peerj.2706

Table 1. Characteristics of the studies eligible for meta-analysis.

Author Year Cancer type Country Ethnicity Controls Case Control Method Polymorphism site nos
Horikawa et al. 2008 renal cell carcinoma American Caucasian PB 279 278 SNPlex rs417309, rs13078, rs3742330, rs10719, rs14035 8
Yang et al. 2008 bladder cancer American Caucasian HB 746 746 SNPlex rs417309, rs1640299, rs13078, rs3742330, rs11077 7
Ye et al. 2008 esophageal cancer American Caucasian HB 346 346 SNPlex rs417309, rs1640299, rs13078, rs3742330, rs14035, rs11077 7
Kim et al. 2010 lung cancer Korea Asian HB 100 100 rs417309, rs1640299, rs13078, rs3742330, rs10719, rs14035 7
Sung et al. 2011 breast cancer Korea Asian HB 559 567 TaqMan rs1057035, rs11077 7
Ma et al. 2012 head and neck cancer China Asian HB 397 900 TaqMan rs1057035, rs3803012 7
Chen et al. 2013 cervical carcinoma China Asian HB 1486 1549 TaqMan rs1057035, rs3803012 7
Jiang et al. 2013 breast cancer China Asian HB 878 900 TaqMan rs417309, rs1640299, rs1057035, rs13078, rs10719, rs3803012 7
Liu et al. 2013 hepatocellular carcinoma China Asian HB 1300 2688 TaqMan rs417309, rs164029, rs1057035, rs3803012 7
Slaby et al. 2013 colorectal cancer Czech Caucasian HB 197 202 TLDA rs1057035 7
Yuan et al. 2013 bladder cancer China Asian HB 685 730 TaqMan rs1057035, rs13078, rs3742330, rs10719 7
Roy et al. 2014 oral cancer India Asian HB 451 452 Taqman rs14035 7
Cho et al. 2015 Colorectal Cancer Korean Asian HB 408 400 PCR-RFLP rs3742330, rs10719, rs14035, rs11077 7
Martin-Guerrero et al. 2015 Lymphocytic Leukemia Spanish Caucasian HB 123 391 Taqman rs417309, rs1640299, rs1057035,rs13078, rs10719, rs14035 7
Xie et al. (2015) 2015 gastric cancer China Asian HB 137 142 rs3742330, rs14035, rs11077 7
Zhao et al. (2015) 2015 colorectal cancer China Asian HB 163 142 rs3742330, rs14035, rs11077 7
Zu et al. (2013) 2013 lung cancer China Asian HB 600 600 TaqMan rs1057035 7
Zheng Liang (2013) 2013 esophageal cancer China Asian HB 380 380 rs3742330 7
Zhang (2012) 2012 gastric cancer China Asian HB 1674 1852 TaqMan rs3803012, rs1057035 7
Buas et al. (2015) 2015 esophageal cancer Europe Caucasian HB 600 600 TaqMan rs14035, rs11077 7
Gutierrez-Camino et al. (2014) 2014 Lymphocytic Leukemia Spanish Caucasian HB 213 387 rs1640299 7