7 8 10 17 Positive PD-L1 expression was associated with longer PFS (PD-L1 positive vs negative: HR 0.48, 95% CI 0.30 to 0.77, p<0.001), but the difference did not reach statistical significance for OS (PD-L1 positive vs negative: HR 0.66, 95% CI 0.39 to 1.10, p=0.095).
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Oncogene-specific differences in tumor mutational burden, PD-L1 expression, and outcomes from immunotherapy in non-small cell lung cancer.
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