The Clinicopathological and Prognostic Value of PD-L1 Expression in Cholangiocarcinoma: A Meta-Analysis.

Front Oncol · 2019 · PMC6759577 · PMID 31620360

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showed a trendno p-value reported

The meta-analysis of these studies showed a trend that high PD-L1 expression indicated a poor OS, but the result was not statistically significant (HR = 1.62, 95% CI [0.98–2.68], p = 0.063), and there was high heterogeneity among the studies ( I 2 = 88.0%, p < 0.001) ( Figure 2 ).

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did not reach statistical significanceno p-value reported

The other parameters did not reach statistical significance.

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