Anti-PD-1/PD-L1 Antibody Therapy for Pretreated Advanced or Metastatic Nonsmall Cell Lung Carcinomas and the Correlation between PD-L1 Expression and Treatment Effectiveness: An Update Meta-Analysis of Randomized Clinical Trials.

Biomed Res Int · 2018 · PMC6174790 · PMID 30345301

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showed a trendno p-value reported

Subgroup analyses showed a trend toward a greater efficacy as PD-L1 expression level increased.

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