Potential Diagnostic and Prognostic Biomarkers of Circular RNAs for Lung Cancer in China

Figure 7

Funnel plots of publication bias. (a) Deeks’ funnel plot asymmetry test for diagnostic studies. (b) Begg’s funnel plot for prognostic tests. (c) Egger’s funnel plot for prognostic tests.

(a)

(b)

(c)