Meta-Analysis
Copyright ©The Author(s) 2020.
World J Gastrointest Oncol. Dec 15, 2020; 12(12): 1443-1455
Published online Dec 15, 2020. doi: 10.4251/wjgo.v12.i12.1443
Figure 1
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Figure 1 Flowchart of search strategy and study selection.
Figure 2
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Figure 2 Literature quality assessment based on the Newcastle-Ottawa Scale.
Figure 3
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Figure 3 Forest plots for the meta-analyses. A: Overall survival; B: Disease-free survival; C: Distant recurrence. HR: Hazard ratio; CI: Confidence interval; OS: Overall survival; DFS: Disease-free survival; DR: Distant recurrence.
Figure 4
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Figure 4 Sensitivity map for the meta-analysis of disease-free survival. CI: Confidence interval.
Figure 5
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Figure 5 Forest plot for the meta-analysis of disease-free survival in the subgroup of lymph node negative patients. HR: Hazard ratio; CI: Confidence interval; DFS: Disease-free survival.
Figure 6
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Figure 6 Funnel plot of publication bias in the meta-analysis. A: Overall survival; B: Disease-free survival; C: Distant recurrence; D: Disease-free survival in lymph node negative patients. HR: Hazard ratio.