Fig. 5From: A pair-wise meta-analysis highlights circular RNAs as potential biomarkers for colorectal cancerPublication bias assessed by the Deek’s funnel plot for (a) the overall diagnostic effect, and (b) the down-regulated circRNA profiles for diagnosis. Begg’s test for the (c) up-regulated, and (d) down-regulated circRNA expression profiling in predicting the OS in CRCBack to article page