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Correction: Survival Benefits of Metformin for Colorectal Cancer Patients with Diabetes: A Systematic Review and Meta-Analysis

  • The PLOS ONE Staff

Correction: Survival Benefits of Metformin for Colorectal Cancer Patients with Diabetes: A Systematic Review and Meta-Analysis

  • The PLOS ONE Staff
PLOS
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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.

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Figure 3. Filled funnel plot with 95% CI indicating two hypothesized studies missing.

https://doi.org/10.1371/journal.pone.0091818.g003

Please see the complete, corrected Figure 4 here.

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Figure 4. Plot of sensitivity analysis by excluding one study each time and the pooling estimate for the rest of the studies.

https://doi.org/10.1371/journal.pone.0091818.g004

Please see the complete, corrected Figure 5 here.

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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).

https://doi.org/10.1371/journal.pone.0091818.g005

Reference

  1. 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