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. 2020 Jun 4;23(6):101238. doi: 10.1016/j.isci.2020.101238

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© 2020 The Authors.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

PMC Copyright notice

The Association between PD-L1 Expression in Tumor Tissue and Survival

(A) Forest plot of hazard ratios and 95% confidence intervals associated with PD-L1 expression. PD-L1 low expression groups in each study were referenced. NA, not analyzed due to low hazard ratios.

(B and C) Analysis of the association between PD-L1 expression and patient survival across TCGA colon cancer (left) and uterine corpus endometrial carcinoma (right). (B) Kaplan-Meier survival curves (time is measured on the x axis) of patients with high versus low CYT score. Log rank statistics: COAD, p = 0.019; UCEC, p = 0.0054. (C) Kaplan-Meier survival curves of patients with high versus low MSI. Data were analyzed by log rank statistics: COAD, p = 0.14; UCEC, p = 0.22.