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. 2020 Oct 22;20(6):377. doi: 10.3892/ol.2020.12240

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Copyright: © Zhong et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 4. — Forest plots and funnel plot of APOL1 expression between OSCC and non-tumor tissues. (A) Forest plots of studies evaluating standard mean difference of APOL1 between OSCC and non-tumor tissues based on GEO datasets. (B) Sensitivity analysis and the forest plot after sensitivity analysis; sensitivity analysis of analysis of the expression levels of APOL1 in OSCC and non-tumor tissues based on GEO datasets. (C) Forest plots of APOL1 expression between OSCC and non-tumor tissues after removing the following studies: GSE25099, GSE30784, GSE31056, GSE37991and GSE55550. (D) Funnel plot for publication bias test after analysis of the expression level of APOL1 in OSCC, The size represented by the Begg's plot circle is the weight of each data concentration. APOL1, apolipoprotein L1; OSCC, oral squamous cell carcinoma; GEO, Gene Expression Omnibus.