《文献质量（高或低）、研究中心数量（单中心和多.doc》由会员分享，可在线阅读，更多相关《文献质量（高或低）、研究中心数量（单中心和多.doc（4页珍藏版）》请在三一文库上搜索。
1、Supplemental material 3VariablesCoefficientRDOR(95%CI)P值Study country2.50112.20(2.02;73.46)0.0132Sample size2.83617.05(2.17;133.80)0.0140Publication year1.1403.13(0.23;42.11)0.3344Endoscopic diagnostic criteria-1.6590.19(0.01;2.53)0.1734Literature quality 0.4731.60(0.10;25.76)0.6994Study center numb
2、er-1.5920.20(0.01;5.83)0.2989Total sample size-2.2210.11(0.00;2.36)0.1319Meta-regression for the potential source of heterogeneityFigure 1 Diagnostic performance of magnifying endoscopy with narrow band imaging (ME-NBI) for gastric cancer(GC) of studies from Japan.Figure 2. Diagnostic performance of magnifying endoscopy with narrow band imaging (ME-NBI) for gastric cancer(GC) of studies from other countries.Figure 3. Diagnostic performance of magnifying endoscopy with narrow band imaging (ME-NBI) for gastric cancer(GC) of studies of sample size200.