Of note, PD-L1 with 50% as cut-off did not reach statistical significance in the multivariate analysis (p = 0.153, HR 1.603 CI 0.84–3.061).
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Tumour cell PD-L1 expression is prognostic in patients with malignant pleural effusion: the impact of C-reactive protein and immune-checkpoint inhibition.
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0.1530
0.1530