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. 2020 Apr 7;157:11. doi: 10.1186/s41065-020-00125-1

Table 1.

Characteristics of the studies eligible for current meta-analysis

Author Year Country Ethnicity Case Control SOC Cases Controls HWE Genotype
MM MW WW MM MW WW
rs1800629
 Jones 2013 USA African-American 279 535 HB 5 103 171 14 153 368 0.687 Illumina’s Golden gate
 Zabaleta 2008 USA African-American 67 130 HB 2 9 56 3 33 94 0.958 Sequence
 Berhane 2012 India Asian 150 150 HB 6 24 120 1 18 131 0.662 ARMS-PCR
 Wu 2003 China-Taiwan Asian 96 126 HB 2 20 74 1 22 103 0.882 PCR-RFLP
 Alidoost 2019 Iran Asian 100 110 HB 0 16 84 0 14 96 0.476 PCR-RFLP/ARMS-PCR
 Kesarwani 2009 India Asian 197 256 HB 1 21 175 4 37 215 0.115 PCR-RFLP
 Ali 2019 Iraq Asian 30 30 PB 12 18 0 24 6 0 0.543 PCR-RFLP
 Ge 2007 China Asian 245 245 HB 2 39 204 2 48 195 0.609 TaqMan
 Dluzniewski 2012 USA Caucasian 468 468 HB 14 113 341 6 126 336 0.125 MassArray
 Pardo 2019 Venezuela Caucasian 40 40 HB 0 6 34 0 11 29 0.313 PCR-RFLP
 Zabaleta 2008 USA Caucasian 479 400 HB 9 148 322 10 118 272 0.505 Sequence
 Sáenz-López 2008 Spain Caucasian 296 310 PB 5 70 221 2 52 256 0.714 TaqMan
 Moore 2009 USA Caucasian 949 857 PB 21 228 700 11 205 641 0.231 TaqMan
 Danforth 2008 USA Caucasian 1155 1380 PB 26 336 793 45 418 926 0.795 TaqMan/MGBEclipse assay
 Danforth 2008 USA Caucasian 1111 1125 PB 25 294 792 33 286 806 0.217 TaqMan/MGBEclipse assay
 Ribeiro 2012 Portugal Caucasian 449 557 PB 8 115 326 7 143 407 0.155 TaqMan
 Wang 2009 USA Caucasian 251 250 PB 12 79 160 9 69 172 0.529 TaqMan
 Bandil 2017 India Asian 105 115 HB 9 15 81 4 7 104 < 0.001 ARMS-PCR
 Omrani 2008 Iran Asian 41 105 HB 0 36 5 3 99 3 < 0.001 ASO-PCR
 McCarron 2002 United Kingdom Caucasian 239 220 HB 6 66 167 13 57 150 0.023 ARMS-PCR
 OH 2000 USA Caucasian 73 73 HB 0 53 20 0 53 20 < 0.001 allele-specific PCR
 Zhang 2010 USA Caucasian 116 128 PB 116 128 CBMALD-TOF-MS
rs361525
 Pardo 2019 Venezuela Caucasian 40 40 HB 0 4 36 0 1 39 0.936 PCR-RFLP
 OH 2000 USA Caucasian 73 73 HB 0 23 50 0 23 50 0.11 allele-specific PCR
 Zabaleta 2008 USA Caucasian 471 385 HB 6 41 424 0 39 346 0.295 Sequence
 Alidoost 2019 Iran Asian 100 110 HB 0 10 90 0 5 105 0.807 PCR-RFLP/ARMS-PCR
 Danforth 2008 USA Caucasian 1114 1126 PB 1 121 992 3 100 1023 0.737 TaqMan/MGBEclipse assay
 Ge 2007 China Asian 245 245 HB 0 10 235 0 22 223 0.461 TaqMan
 Zabaleta 2008 USA African-American 64 126 HB 0 6 58 2 10 114 0.006 Sequence
 Bandil 2017 India Asian 105 115 HB 12 60 33 20 86 9 < 0.001 ARMS-PCR
rs1799724
 Danforth 2008 USA Caucasian 1139 1378 PB 13 203 923 14 254 1110 0.9 TaqMan/MGBEclipse assay
 Danforth 2008 USA Caucasian 1108 1101 PB 17 183 908 19 220 862 0.257 TaqMan/MGBEclipse assay
 Kesarwani 2009 India Asian 197 256 HB 4 57 136 4 56 196 1 PCR-RFLP
 Zabaleta 2008 USA African-American 464 372 HB 6 59 399 8 41 323 < 0.001 Sequence
 Zabaleta 2008 USA Caucasian 6 14 HB 3 0 3 7 0 7 < 0.001 Sequence
rs1799964
 Danforth 2008 USA Caucasian 1142 1375 PB 60 361 721 58 441 876 0.791 TaqMan/MGBEclipse assay
 Danforth 2008 USA Caucasian 1143 1155 PB 54 370 719 64 377 714 0.129 TaqMan/MGBEclipse assay
 Kesarwani 2009 India Asian 197 256 HB 90 64 43 83 91 82 < 0.001 PCR-RFLP

HB hospital-based, PB population-based, SOC source of control, PCR-FLIP polymerase chain reaction and restrictive fragment length polymorphism; ARMS amplification refractory mutation system, HWE Hardy–Weinberg equilibrium of control group, W wild type-allele, M mutant-allele