Table 1. Characteristics of included studies in the final meta-analysis.
Name | Year | Cancer type | Region | Ethnicity | Design | Genotype | Case | Control | MAF | HWE | Score | ||||||
method | GG | CG | CC | All | GG | CG | CC | All | |||||||||
Feng | 2016 | Gastric | China | Asian | HB | PCR-RFLP | 47 | 85 | 45 | 177 | 84 | 107 | 46 | 237 | 0.42 | 0.260 | 6 |
Ma | 2016 | Breast | China | Asian | HB | PCR-RFLP | 116 | 145 | 59 | 320 | 84 | 107 | 46 | 237 | 0.42 | 0.260 | 7 |
Du | 2016 | Colorectal | China | Asian | HB | TaqMan | 286 | 459 | 133 | 878 | 355 | 405 | 124 | 884 | 0.37 | 0.623 | 9 |
Wang | 2015 | Breast | China | Asian | HB | PCR-RFLP | 95 | 6 | 0 | 101 | 100 | 1 | 0 | 101 | 0.00 | 0.960 | 9 |
Bahceci | 2014 | B-NHL | Turkey | Others | PB | AS-PCR | 59 | 33 | 1 | 93 | 43 | 44 | 9 | 96 | 0.32 | 0.637 | 4 |
Li | 2014 | Gastric | China | Asian | HB | PCR-RFLP | 99 | 83 | 36 | 218 | 112 | 82 | 24 | 218 | 0.30 | 0.135 | 7 |
Zhu | 2014 | Bladder | China | Asian | HB | MassARRAY | 62 | 160 | 65 | 287 | 76 | 139 | 67 | 282 | 0.48 | 0.825 | 6 |
Lu | 2014 | Larynx | China | Asian | HB | MassARRAY | 53 | 69 | 54 | 176 | 78 | 63 | 36 | 177 | 0.38 | 0.001 | 8 |
Liu | 2014 | Gastric | China | Asian | HB | PCR-RFLP | 99 | 100 | 39 | 238 | 120 | 95 | 23 | 238 | 0.30 | 0.510 | 8 |
Ruiz-Cosano | 2013 | BCL | Spain | Caucasian | PB | TaqMan | 125 | 71 | 17 | 213 | 119 | 81 | 14 | 214 | 0.25 | 0.965 | 7 |
Zeng | 2013 | Lung | China | Asian | HB | PCR-RFLP | 15 | 77 | 47 | 139 | 35 | 61 | 37 | 133 | 0.51 | 0.341 | 8 |
Yuan | 2012 | HNC | China | Asian | PB | TaqMan | 108 | 191 | 95 | 393 | 234 | 433 | 217 | 884 | 0.49 | 0.552 | 12 |
Biason | 2012 | Osteosarcoma | Italy | Caucasian | HB | PCR-RFLP | 75 | 39 | 16 | 130 | 141 | 94 | 15 | 250 | 0.25 | 0.899 | 8 |
Gil | 2012 | Colorectal | Poland | Caucasian | HB | PCR-RFLP | 86 | 35 | 11 | 132 | 64 | 31 | 5 | 100 | 0.21 | 0.625 | 6 |
Berhane | 2012 | Prostate | India | Asian | PB | PCR-RFLP | 58 | 72 | 20 | 150 | 66 | 75 | 9 | 150 | 0.31 | 0.039 | 8 |
Ma | 2012 | HNC | America | Caucasian | PB | SNPlex | 648 | 359 | 52 | 1059 | 654 | 350 | 62 | 1066 | 0.22 | 0.099 | 10 |
Rouissi | 2011 | Bladder | Tunisia | African | PB | PCR | 48 | 56 | 21 | 125 | 46 | 61 | 18 | 125 | 0.39 | 0.758 | 6 |
Ibarrola-Villava | 2011 | Melanoma | Spain | Caucasian | HB | TaqMan | 326 | 222 | 50 | 598 | 215 | 140 | 24 | 379 | 0.25 | 0.85 | 5 |
Canbay | 2011 | Colorectal | Turkey | Others | PB | PCR-RFLP | 43 | 34 | 2 | 79 | 148 | 83 | 16 | 247 | 0.23 | 0.352 | 10 |
Goncalves | 2011 | Melanoma | Brazil | Caucasian | HB | PCR-RFLP | 105 | 77 | 10 | 192 | 109 | 74 | 25 | 208 | 0.30 | 0.031 | 9 |
Doherty | 2011 | Endometrial | America | Others | PB | Unknown | 418 | 254 | 42 | 714 | 408 | 248 | 47 | 703 | 0.24 | 0.268 | 10 |
Hsu | 2010 | Breast | China | Asian | HB | TaqMan | 76 | 191 | 134 | 401 | 129 | 243 | 159 | 531 | 0.53 | 0.059 | 8 |
Figl | 2010 | Melanoma | German, Spain | Caucasian | PB | TaqMan | 703 | 409 | 74 | 1186 | 725 | 465 | 84 | 1274 | 0.25 | 0.420 | 8 |
Canbay | 2010 | Gastric | Turkey | Others | PB | PCR-RFLP | 25 | 12 | 3 | 40 | 148 | 83 | 16 | 247 | 0.23 | 0.352 | 8 |
Li | 2010 | HCC | China | Asian | HB | TaqMan | 174 | 233 | 93 | 500 | 151 | 265 | 91 | 507 | 0.44 | 0.175 | 11 |
Narter | 2009 | Bladder | Turkey | Others | PB | PCR-RFLP | 25 | 28 | 3 | 56 | 18 | 19 | 3 | 40 | 0.31 | 0.505 | 5 |
Abbasi | 2009 | Larynx | Germany | Caucasian | PB | Real-time PCR | 137 | 103 | 8 | 248 | 380 | 230 | 37 | 647 | 0.23 | 0.778 | 11 |
Hussain | 2009 | Gastric | China | Asian | PB | SNPlex | 38 | 105 | 38 | 181 | 90 | 180 | 90 | 360 | 0.50 | 1.000 | 12 |
El-Zein | 2009 | HD | America | Caucasian | PB | TaqMan | 104 | 78 | 16 | 198 | 127 | 80 | 12 | 219 | 0.24 | 0.897 | 10 |
McKean-Cowdin | 2009 | Brain | America | Caucasian | Mixed | TaqMan and MassARRAY | 499 | 348 | 157 | 1004 | 989 | 657 | 311 | 1957 | 0.33 | 0.000 | 13 |
Pan | 2009 | Esophageal | America | Caucasian | HB | TaqMan | 201 | 131 | 12 | 344 | 287 | 155 | 15 | 457 | 0.20 | 0.281 | 7 |
Rajaraman | 2008 | Breast | America | Others | PB | TaqMan | 482 | 288 | 49 | 819 | 674 | 352 | 53 | 1079 | 0.21 | 0.423 | 13 |
Chang | 2008 | Lung | America | Africa American | PB | Illumina | 68 | 119 | 68 | 255 | 93 | 138 | 49 | 280 | 0.42 | 0.858 | 8 |
Chang | 2008 | Lung | America | Latino | PB | Illumina | 60 | 44 | 9 | 113 | 138 | 127 | 34 | 299 | 0.33 | 0.561 | 7 |
Pardini | 2008 | Colorectal | Czech | Caucasian | HB | PCR-RFLP | 334 | 177 | 21 | 532 | 356 | 153 | 23 | 532 | 0.19 | 0.211 | 11 |
Smith | 2008 | Breast | America | African American | PB | MassARRAY | 13 | 32 | 7 | 52 | 18 | 37 | 20 | 75 | 0.51 | 0.913 | 9 |
Hung | 2008 | Lung | World | World | Mixed | Unknown | 1852 | 1155 | 209 | 3216 | 2485 | 1510 | 286 | 4281 | 0.24 | 0.006 | 10 |
He | 2008 | Cervical | China | Asian | HB | mismatch amplification PCR | 71 | 94 | 35 | 200 | 67 | 80 | 53 | 200 | 0.47 | 0.006 | 8 |
Hooker | 2008 | Prostate | America | African | HB | PCR | 74 | 119 | 61 | 254 | 99 | 142 | 60 | 301 | 0.44 | 0.484 | 8 |
Wang | 2007 | NMSC | Texas | Caucasian | HB | PCR | 146 | 89 | 11 | 246 | 200 | 119 | 10 | 329 | 0.21 | 0.121 | 8 |
Povey | 2007 | Melanoma | Scotland | Caucasian | PB | PCR-RFLP | 314 | 169 | 24 | 507 | 252 | 162 | 27 | 441 | 0.24 | 0.887 | 13 |
Crew | 2007 | Breast | America | Others | PB | Sequenom | 562 | 371 | 66 | 999 | 571 | 409 | 71 | 1051 | 0.26 | 0.846 | 11 |
An | 2007 | HNC | America | Caucasian | HB | PCR | 507 | 286 | 36 | 829 | 519 | 289 | 46 | 854 | 0.22 | 0.489 | 11 |
Jorgensen | 2007 | Breast | America | Others | PB | TaqMan | 159 | 93 | 12 | 264 | 165 | 95 | 15 | 275 | 0.23 | 0.785 | 10 |
Mechanic | 2006 | Breast | America | African American | PB | TaqMan | 231 | 387 | 139 | 757 | 231 | 320 | 123 | 674 | 0.42 | 0.509 | 9 |
Mechanic | 2006 | Breast | America | Caucasian | PB | TaqMan | 771 | 409 | 69 | 1249 | 661 | 412 | 60 | 1133 | 0.23 | 0.685 | 9 |
Shen | 2006 | Breast | America | Others | PB | TaqMan | 83 | 63 | 8 | 154 | 82 | 62 | 7 | 151 | 0.25 | 0.268 | 11 |
Sugimura | 2006 | OSCC | Japan | Asian | HB | PCR-RFLP | 43 | 59 | 20 | 122 | 77 | 112 | 52 | 241 | 0.45 | 0.348 | 5 |
Garcia-Closas | 2006 | Bladder | Spain | Caucasian | HB | Sequencing | 629 | 434 | 78 | 1141 | 607 | 445 | 84 | 1136 | 0.27 | 0.844 | 11 |
Li | 2006 | Melanoma | America | Caucasian | HB | PCR | 373 | 206 | 23 | 602 | 370 | 206 | 27 | 603 | 0.22 | 0.805 | 12 |
Wu | 2006 | Bladder | America | Others | PB | TaqMan | 364 | 225 | 26 | 615 | 371 | 211 | 18 | 600 | 0.21 | 0.064 | 13 |
Thirumaran | 2006 | BCC | Hungry, Romania, Slovakia | Caucasian | HB | TaqMan | 325 | 172 | 32 | 529 | 330 | 173 | 30 | 533 | 0.22 | 0.250 | 11 |
Shen | 2006 | NHL | America | Others | PB | TaqMan | 260 | 170 | 34 | 464 | 352 | 169 | 29 | 550 | 0.21 | 0.146 | 13 |
Le Morvan | 2006 | Sarcoma | France | Caucasian | HB | PCR-RFLP | 182 | 107 | 19 | 308 | 31 | 21 | 1 | 53 | 0.22 | 0.227 | 6 |
Sakiyama | 2005 | Lung | Japan | Asian | Mixed | Pyrosequencing | 300 | 500 | 202 | 1002 | 228 | 333 | 124 | 685 | 0.42 | 0.900 | 7 |
Shen | 2005 | Lung | China | Asian | PB | TaqMan | 38 | 52 | 26 | 116 | 38 | 46 | 25 | 109 | 0.44 | 0.133 | 10 |
Weiss | 2005 | Endometrial | America | Caucasian | PB | PCR-RFLP | 215 | 134 | 22 | 371 | 250 | 148 | 22 | 420 | 0.23 | 0.987 | 11 |
Blankenburg | 2005 | Melanoma | German | Caucasian | PB | PCR-RFLP | 9 | 100 | 184 | 293 | 18 | 124 | 232 | 374 | 0.79 | 0.785 | 8 |
Sanyal | 2004 | Bladder | Sweden | Caucasian | PB | PCR-RFLP | 182 | 109 | 8 | 299 | 173 | 91 | 20 | 284 | 0.23 | 0.102 | 8 |
Kumar | 2003 | Breast | Finland | Caucasian | PB | PCR-RFLP | 108 | 96 | 16 | 220 | 182 | 107 | 19 | 308 | 0.24 | 0.540 | 10 |
MAF, minor allele frequency; HWE, Hardy-Weinberg equilibrium; B-NHL, B cell non-Hodgkin's lymphoma; BCL, B cell lymphoma; HNC, head and neck cancer; HCC, hepatocellular carcinoma; HD, Hodgkin’s disease; NMSC, non-melanoma skin cancer; OSCC, oral squamous cell carcinoma; BCC, basal cell carcinoma; HB, hospital based; PB, population based; PCR-RFLP, polymerase chain reaction-restriction fragment length polymorphism; AS-PCR, allele-specific PCR.