Table 1. Basic information of the studies included in the meta-analysis.
First author | Year | Country | Race | Cases | Cancer type | Control | Control source | Genotyping assay | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
CC | CT | TT | CC | CT | TT | |||||||
Al-Qadoori | 2019 | Iraq | Asian | 37 | 23 | 2 | Bladder cancer | 31 | 7 | 0 | PB | Gene sequencing |
An | 2007 | U.S.A. | Caucasian | 445 | 293 | 91 | HNSCC | 454 | 342 | 58 | HB | PCR-RFLP |
Bai | 2007 | China | Asian | 184 | 193 | 48 | LAC | 446 | 456 | 88 | HB | TaqMan |
China | Asian | 149 | 149 | 34 | LSCC | 446 | 456 | 88 | HB | TaqMan | ||
China | Asian | 31 | 25 | 8 | SCLC | 446 | 456 | 88 | HB | TaqMan | ||
Broberg | 2005 | Sweden | Caucasian | 35 | 20 | 6 | Bladder cancer | 92 | 55 | 8 | PB | MassARRAY |
Chen | 2013 | China | Asian | 45 | 60 | 26 | Cervical cancer | 101 | 118 | 38 | HB | PCR-RFLP |
de Verdier | 2010 | Sweden | Caucasian | 138 | 138 | 35 | Bladder cancer | 196 | 124 | 10 | PB | PCR-RFLP |
Doherty | 2011 | U.S.A. | Mixed | 411 | 257 | 49 | Endometrial cancer | 384 | 278 | 61 | PB | PCR-RFLP/SNaPshot |
Dong | 2008 | China | Asian | 141 | 90 | 22 | GCA | 272 | 282 | 58 | PB | PCR-RFLP |
Farnebo | 2015 | Sweden | Caucasian | 89 | 63 | 17 | HNSCC | 219 | 105 | 20 | PB | PCR-RFLP |
Figl | 2010 | Spain/Germany | Caucasian | 626 | 477 | 81 | Melanoma | 670 | 516 | 88 | PB | TaqMan |
Garcia | 2006 | Spain | Caucasian | 583 | 440 | 85 | Bladder cancer | 599 | 435 | 75 | HB | SNP500Cancer |
Guo | 2008 | China | Asian | 156 | 133 | 38 | ESCC | 272 | 282 | 58 | PB | PCR-RFLP |
He | 2016 | China | Asian | 201 | 198 | 51 | Breast cancer | 228 | 174 | 28 | PB | MassARRAY |
He | 2012 | China | Asian | 104 | 90 | 16 | Pancreatic cancer | 106 | 85 | 22 | PB | SNaPshot |
Hu | 2005 | China | Asian | 124 | 171 | 25 | Lung cancer | 158 | 145 | 19 | PB | PCR-PIRA |
Hua | 2016a | China | Asian | 432 | 531 | 178 | CRC | 429 | 583 | 161 | PB | TaqMan |
Hua | 2016b | China | Asian | 457 | 524 | 161 | Gastric cancer | 429 | 583 | 161 | PB | TaqMan |
Huang | 2006 | U.S.A. | Mixed | 397 | 261 | 31 | CRC | 403 | 259 | 41 | HB | SNP500Cancer |
Ibarrola | 2011 | Spain | Caucasian | 323 | 227 | 49 | Melanoma | 198 | 158 | 23 | PB/HB | MassARRAY |
Jiao | 2011 | China | Asian | 127 | 177 | 30 | GBC | 163 | 146 | 20 | HB | PCR-RFLP |
Jorgensen | 2007 | U.S.A. | Caucasian | 153 | 87 | 13 | Breast cancer | 157 | 104 | 14 | PB | TaqMan |
Kim | 2002 | Korea | Asian | 104 | 102 | 12 | Lung cancer | 77 | 62 | 10 | PB | PCR-RFLP |
Lee | 2005 | Korea | Asian | 113 | 84 | 13 | LSCC | 223 | 179 | 29 | PB | PCR-RFLP |
Korea | Asian | 79 | 58 | 4 | LAC | 223 | 179 | 29 | PB | PCR-RFLP | ||
Korea | Asian | 39 | 28 | 6 | SCLC | 223 | 179 | 29 | PB | PCR-RFLP | ||
Li | 2006 | U.S.A. | Caucasian | 338 | 214 | 50 | Melanoma | 318 | 248 | 37 | HB | PCR-RFLP |
Li | 2014 | China | Asian | 92 | 91 | 19 | Gastric cancer | 144 | 153 | 30 | PB | PCR-RFLP |
Li | 2010 | China | Asian | 163 | 248 | 89 | HCC | 169 | 250 | 88 | HB | TaqMan |
Liang | 2018 | China | Asian | 98 | 89 | 18 | Pancreatic cancer | 116 | 90 | 24 | HB | SNaPshot |
Liu | 2016 | China | Asian | 444 | 351 | 96 | Gastric cancer | 424 | 408 | 95 | HB | MassARRAY |
Liu | 2012 | China | Asian | 242 | 294 | 64 | Bladder cancer | 272 | 285 | 52 | PB | PCR-RFLP |
Liu | 2019 | China | Asian | 178 | 159 | 54 | Uterine leiomyoma | 183 | 232 | 78 | PB | Sequence Detection System |
Long | 2010 | China | Asian | 170 | 156 | 35 | GAA | 280 | 274 | 62 | HB | TaqMan |
McWilliams | 2008 | U.S.A. | Mixed | 246 | 182 | 29 | Pancreatic cancer | 339 | 211 | 32 | HB | SNPstream or Pyrosequencing |
Monroy | 2011 | U.S.A. | Mixed | 92 | 90 | 8 | HL | 137 | 71 | 10 | PB | MassARRAY |
Na | 2012 | China | Asian | 213 | 124 | 23 | Breast cancer | 228 | 118 | 14 | HB | MassARRAY |
Nigam | 2019 | China | Asian | 22 | 22 | 26 | Oral cancer | 69 | 145 | 83 | PB | PCR-RFLP |
Ozgoz | 2019 | Turkey | Caucasian | 57 | 38 | 7 | Breast cancer | 67 | 26 | 7 | PB | MassARRAY |
Pan | 2009 | U.S.A | Caucasian | 228 | 129 | 26 | Esophageal cancer | 251 | 178 | 21 | PB | TaqMan |
Paszkowska | 2015 | Poland | Caucasian | 443 | 269 | 41 | CRC | 548 | 563 | 177 | PB | MassARRAY/Taqman |
Paszkowska | 2013 | Poland | Caucasian | 245 | 240 | 34 | Melanoma | 548 | 563 | 177 | PB | MassARRAY |
Perez | 2013 | U.S.A. | Caucasian | 0 | 63 | 115 | Breast cancer | 21 | 131 | 203 | PB | TaqMan |
Ravegnini | 2016 | Italy | Caucasian | 42 | 34 | 5 | GIST | 90 | 45 | 12 | PB | TaqMan |
Roberts | 2011 | U.S.A. | Mixed | 167 | 100 | 18 | Breast cancer1 | 317 | 193 | 40 | PB | MassARRAY |
U.S.A. | Mixed | 437 | 273 | 48 | Breast cancer2 | 793 | 478 | 72 | PB | MassARRAY | ||
Sak | 2006 | U.K. | Mixed | 279 | 202 | 57 | Bladder cancer | 317 | 210 | 38 | PB/HB | TaqMan |
Sakoda | 2012 | U.S.A. | Caucasian | 401 | 299 | 43 | Lung cancer | 822 | 566 | 87 | PB | GoldenGate/Taqman |
Sankhwar | 2016 | India | Asian | 52 | 113 | 69 | Bladder cancer | 87 | 112 | 59 | PB | PCR-RFLP/gene sequencing |
Santos | 2013 | Portugal | Caucasian | 47 | 55 | 4 | Thyroid cancer | 95 | 98 | 19 | HB | PCR-RFLP |
Shen | 2006 | U.S.A. | Caucasian | 96 | 50 | 9 | Breast cancer | 91 | 55 | 5 | PB | TaqMan |
Shen | 2008 | U.S.A. | Mixed | 614 | 385 | 62 | Breast cancer | 632 | 417 | 56 | PB | Fluorescence polarization |
Shen | 2005 | China | Asian | 56 | 47 | 13 | Lung cancer | 50 | 47 | 13 | PB | TaqMan |
Slyskova | 2012 | Czech Republic | Caucasian | 36 | 24 | 9 | CRC | 37 | 24 | 3 | PB | PCR-RFLP |
Smith | 2008 | U.S.A. | Caucasian | 178 | 116 | 23 | Breast cancer | 211 | 161 | 29 | PB | MassARRAY |
U.S.A. | Others | 44 | 7 | 1 | Breast cancer | 61 | 14 | 0 | PB | MassARRAY | ||
Steck | 2014 | U.S.A. | Others | 175 | 51 | 2 | CRC | 276 | 47 | 0 | PB | MassARRAY |
U.S.A. | Caucasian | 177 | 104 | 22 | CRC | 293 | 207 | 35 | PB | MassARRAY | ||
Tang | 2011 | China | Asian | 40 | 55 | 14 | ALL | 80 | 74 | 15 | PB | MassARRAY |
Weiss | 2005 | U.S.A. | Mixed | 211 | 129 | 31 | Endometrial cancer | 213 | 166 | 41 | PB | SNaPshot |
Wu | 2011a | China | Asian | 172 | 195 | 52 | CRC | 315 | 406 | 117 | PB | PCR-RFLP |
Wu | 2011b | China | Asian | 65 | 86 | 22 | Breast cancer | 69 | 85 | 16 | PB | PCR-RFLP |
Yang | 2012 | China | Asian | 197 | 322 | 99 | Breast cancer | 235 | 312 | 75 | PB | PCR-RFLP |
Yang | 2008 | China | Asian | 52 | 73 | 28 | NPC | 76 | 79 | 13 | PB | PCR-RFLP |
Zhao | 2018 | China | Asian | 46 | 35 | 8 | Ovarian cancer | 127 | 175 | 54 | PB | TaqMan |
Zheng | 2016 | China | Asian | 111 | 108 | 34 | Neuroblastoma | 205 | 250 | 76 | PB | TaqMan |
Zhou | 2008 | China | Asian | 103 | 78 | 27 | Ovarian cancer | 118 | 95 | 18 | PB | PCR-RFLP |
Zhu | 2018 | China | Asian | 64 | 59 | 22 | Nneuroblastoma | 205 | 250 | 76 | PB | TaqMan |
Zhu | 2008 | China | Asian | 110 | 60 | 18 | ESCC | 83 | 88 | 32 | PB | PCR-RFLP |
Zhu | 2007 | U.S.A. | Caucasian | 323 | 193 | 30 | Bladder cancer | 310 | 215 | 24 | HB | TaqMan |
Abbreviations: ALL, acute lymphoblastic leukemia; CRC, colorectal cancer; ESCC, esophageal squamous cell carcinoma; GAA, gastric antrum adenocarcinoma; GBC, primary gallbladder adenocarcinoma; GCA, gastric cardiac adenocarcinoma; GIST, gastrointestinal stromal tumour; HB, hospital-based; HCC, hepatocellular carcinoma; HL, Hodgkin lymphoma; HNSCC, head and neck squamous cell carcinoma; LAC, lung adenocarcinoma; LSCC, lung squamous cell carcinoma; NPC, nasopharyngeal cancer; PB, population-based; PCR, polymerase chain reaction; PIRA, primer-introduced restriction analysis; RFLP, restriction fragment length polymorphism; SCLC, Small cell lung carcinoma; SNP, single nucleotide polymorphism.
1 Premenopausal.
2 Postmenopausal.