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. 2014 Feb 25;4:4168. doi: 10.1038/srep04168

Table 1. Characteristics of the 14 studies included in the meta-analysis.

Author/Year Country Disease Study design Reference method QUADAS score Total nnumber Specimen Source DNA Extraction kit Instrument Dye Final volume(μL)
Willmore-Payne 200517 USA melanoma CS SEQ 12 90 PE NA HR-1 LCGreen 10
Simi 200814 Italy CRCs CS SEQ 9 116 FF Qiagen RG 6000 Syto 9 10
Pichler 200913 Austria CRCs CS SEQ 10 13 FFPE Qiagen LC 480 HRMM 20
Seth 200918 UK CRCs CS SEQ 9 29 FFPE Qiagen HR-1 Syto 9 10
Bennani 201019 Morocco CRCs CS SEQ 10 62 PE Qiagen LC 480 NA 10
Borras 201120 Spain CRCs/LCs CS SEQ 9 54 FFPE Qiagen LC 480 HRMM 10
Bozzao 201221 Italy CRCs CS SEQ 8 117 PE Qiagen RG 6000 Syto 9 NA
Hsieh 201222 China CRCs CS SEQ 11 182 FFPE Qiagen LC 480 HRMM 10
Krol 201223 Netherlands CRCs CS SEQ 11 126 FF Qiagen LC 480 HRMM 25
Mancini 201224 Italy TNs CS SEQ 11 17 FF Qiagen RG 6000 Syto 9 20
Ney 201225 Germany Mixed CS SEQ 11 194 FFPE Qiagen LC 480 HRMM 20
Yang 201226 Germany melanoma CS SEQ 13 31 FFPE Qiagen RGQ EvaGreen 20
Guedes 201327 Portugal CRCs CS SEQ 8 201 FFPE Qiagen LC 480 HRMM 10
Richter 201328 Australia melanoma CS SEQ 13 92 FFPE NA LC 480 Syto 9 10

CRCs, colorectal cancers; LCs: lung cancers; TNs, thyroid nodules; Mixed, colorectal cancers, endometrial cancers, melanomas, gastrointestinal stromal tumors; CS, Cross-sectiona; SEQ, DNA sequencing; PE, paraffin-embedded; FF, fresh frozen tissue; FFPE, formalin-fixed paraffin-embedded; NA, not available; LC 480, LightCycler 480; RG 6000, RotorGene 6000; RGQ, Rotor-Gene Q; HRMM, LightCycler LC480 High Resolution Melting Master.