Table 1

Characteristics of the studies included in the meta-analysis
Author Year Country Ethnicity Cancer type Cases Controls Source of controls Genotype method
Khvostova [7] 2011 Russia Caucasian Breast 323 526 Hospital PCR-RFLP
MARIE-GENICA [31] 2010 German Caucasian Breast 3147 5485 Population PCR-RFLP
Singh [8] 2010 India Asian Lung 200 200 Population PCR-RFLP
Sangrajrang [16] 2009 Thailand Asian Breast 552 483 Hospital TaqMan
B′chir [9] 2009 Tunisia Tunisian Lung 101 98 Hospital PCR-RFLP
Kobayashi [17] 2009 Japan Asian Stomach 141 286 Hospital MassARRAY
Altayli [32] 2009 Turkey Caucasian Bladder 135 128 Hospital PCR-RFLP
Aldrich [33] 2009 USA Mixed Lung 113 299 Mixed Not defined
Saebo [35] 2008 Norway Caucasian Colorectal 198 222 Hospital PCR-RFLP
Suziki [34] 2008 USA Caucasian Pancreatic 649 585 Population PCR-RFLP
Yoshida [36] 2007 Japan Asian Colorectal 64 111 Hospital PCR-RFLP
Osawa [18] 2007 Japan Asian Lung 103 111 Hospital PCR-RFLP
Gemignani [10] 2007 Italy Caucasian Lung 297 310 Hospital Microarray
Kotsopoulos [37] 2007 Canada Caucasian Breast 170 241 Hospital PCR-RFLP
Bae [40] 2006 Korea Asian Colorectal 111 93 Hospital PCR-RFLP
Long [38] 2006 China Asian Breast 1082 1139 Population PCR-RFLP
Li [39] 2006 USA Caucasian Pancreatic 307 333 Population PCR-RFLP
Landi [11] 2005 spain Caucasian Colorectal 361 321 Hospital APEX
Goodman [41] 2003 USA Caucasian Ovarian 164 194 Population PCR-RFLP

PCR, polymerase chain reaction; RFLP, restriction fragment length polymorphis; APEX, arrayed primer exension.

Wang et al.

Wang et al. BMC Cancer 2012 12:528   doi:10.1186/1471-2407-12-528

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