The Ratio of Platelets to Lymphocytes Predicts the Prognosis of Metastatic Colorectal Cancer: A Review and Meta-Analysis

Figure 4

(a) Funnel plots assessing publication bias for OS. (b) Funnel plots assessing publication bias for PFS. (c) Trim-and-fill funnel plot for OS. (d) Trim-and-fill funnel plot for PFS.

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(b)

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