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. 2016 Jul 13;11(7):e0158891. doi: 10.1371/journal.pone.0158891

Fig 4. Funnel plots were used to evaluate publication bias on RFS and PFS.

Fig 4

(A) Begg’s test was not significant intending no significant bias was observed on RFS. (B) Egger’s test was not significant intending no significant bias was observed on RFS. (C) It showed no publication bias on PFS in Begg’s test, (D) It showed no publication bias on PFS in Egger’s test.