The legends for Figures 3, 4, and 5 are incorrectly switched. The legend that appears for Figure 3 belongs with Figure 4, the legend that appears for Figure 4 belongs with Figure 5, and the legend that appears for Figure 5 belongs with Figure 3. The figures themselves appear in the correct order. Please see the complete, corrected Figure 3 here.
Figure 3. Filled funnel plot with 95% CI indicating two hypothesized studies missing.
Figure 4. Plot of sensitivity analysis by excluding one study each time and the pooling estimate for the rest of the studies.
Figure 5. Funnel plots of the relationship between the HRs of individual studies and the precision of the study estimate (Log hazard ratio, horizontal axis;standard error, vertical axis).
Please see the complete, corrected Figure 4 here.
Please see the complete, corrected Figure 5 here.
Reference
- 1. Mei Z-B, Zhang Z-J, Liu C-Y, Liu Y, Cui A, et al. (2014) Survival Benefits of Metformin for Colorectal Cancer Patients with Diabetes: A Systematic Review and Meta-Analysis. PLoS ONE 9(3): e91818 doi:10.1371/journal.pone.0091818 [DOI] [PMC free article] [PubMed] [Google Scholar]