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. 2014 May 1;9(5):e95285. doi: 10.1371/journal.pone.0095285

Figure 5. Begg’s funnel plots of the natural logarithm of the hazard ratios (HRs) and the SE of the natural logarithm of the HRs for all of the included studies reported with OS and PFS.

Figure 5

A: Begg’s funnel plots for all of the included studies reported with OS, the dashed line represents 95% confidence intervals (CIs). Circles represent individual studies. Begg’s test: P = 0.221. B: Begg’s funnel plots for all of the included studies reported with PFS, the dashed line represents 95% confidence intervals (CIs). Circles represent individual studies. Begg’s test: P = 0.880.