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. 2015 Jan 15;8(1):145–154.

Table 1.

The characteristics of included studies

Authors Publication year Ethnicity N Stages Quality Scores Arg39-9G1n Arg19-4Trp Genotyping methods
Dong et al. 2012 Chinese 564 III-IV 5 Yes No PCR-RFLP
Joerger et al., 2012 Caucasian 131 IIIB-IV 7 Yes Yes PCR-RFLP
Sullivan et al. 2014 Caucasian 161 III-IV 7 Yes Yes TaqMan
Zhao et al. 2013 Chinese 147 IIIB-IV 7 Yes Yes TaqMan
Jin ZY et al. 2014 Chinese 378 IIIB-IV 6 Yes Yes PCR-RFLP
Liu D et al. 2014 Chinese 378 IIIB-IV 6 Yes Yes SpectroCHIP microarray
Zhang et al. 2014 Chinese 375 IIIB-IV 6 Yes Yes PCR-RFLP
Liao et al. 2012 Chinese 62 IIIB-IV 5 Yes No PCR-RFLP
Xu CA et al. 2011 Chinese 130 IIIB-IV 4 Yes Yes PCR-RFLP
Zhao W et al. 2011 Chinese 151 IIIB-IV 6 Yes Yes PCR-RFLP
Cheng HY et al. 2011 Chinese 120 IIIB-IV 5 Yes No PCR
Zhou et al. 2011 Chinese 111 IIIB-IV 7 Yes No PCR
Han Y et al. 2011 Chinese 91 IIIB-IV 4 Yes No PCR-RFLP
Li DR et al. 2011 Chinese 89 IIIB-IV 6 Yes No PCR
Ding CL et al. 2010 Chinese 54 IIIB-IV 4 Yes Yes PCR
Qian XP et al. 2010 Chinese 107 IIIB-IV 5 Yes No PCR-RFLP
Ying RB et al. 2010 Chinese 80 IIIB-IV 4 No Yes PCR-RFLP
Sun XC et al. 2009 Chinese 82 IIIB-IV 7 Yes Yes PCR
Hong CY et al. 2009 Chinese 164 III-IV 6 Yes Yes PCR-RFLP
Qiu LX et al. 2009 Chinese 107 IIIB-IV 5 No Yes PCR-RFLP
Song DG et al. 2007 Chinese 97 IIIB-IV 6 Yes Yes PCR-RFLP
Gao CM et al. 2006 Chinese 57 IIIB-IV 5 Yes Yes PCR-RFLP
Jin YW et al. 2006 Chinese 162 IIIB-IV 6 No Yes PCR-RFLP
Yuan P et al. 2006 Chinese 200 IIIB-IV 6 No Yes PCR-RFLP
Wang ZH et al. 2004 Chinese 105 IIIB-IV 6 Yes No
Kalikaki A et al. 2009 Caucasian 119 III- IV 6 Yes No PCR-RFLP
Giachino et al. 2007 Caucasian 248 IIIA- IV 7 Yes Yes PCR-RFLP
de las Penas et al. 2006 Caucasian 135 IIIB-IV 6 Yes Yes PCR-RFLP
Gurubhagavatula et al. 2004 Caucasian 103 IIIB-IV 7 Yes Yes PCR-RFLP