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. 2014 Apr 17;9(4):e94869. doi: 10.1371/journal.pone.0094869

Figure 6. Funnel plot was constructed by Begg's and Egger's test to evaluate publication bias.

Figure 6

A. Begg's test for the studies differentiating GIM on a per-patient analysis; B. Begg's test for the studies differentiating GIM on a per-lesion analysis. Lnor, ln [(TP*TN)/(FP*FN)]; s.e.of:lnor, (1/TP)+(1/FP)+(1/FN)+(1/TN).