Fig. 4From: Ki-67 as a prognostic marker in early-stage non-small cell lung cancer in Asian patients: a meta-analysis of published studies involving 32 studiesFunnel Plots of Begg’s and Egger’s were used to detect publication bias on OS and DFS. Begg’s funnel plots showed seemingly publication bias on OS (A) while Egger’s funnel plots showed no publication bias on OS in all NSCLC. It showed no publication bias on DFS in Begg’s test (C) and Egger’s test (D)Back to article page