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*200 patients had the accurate value of PD-L1 (percentage value, as continuous variable, from 50% to 100%), whereas the other ones had only categorical values (≥50%) in the histological report. NSCLS NOS: Nonsmall cell lung cancer not otherwise specified; PD-L1 TPS: programmed death ligand 1 tumor proportion score; bNLR: basal neutrophil-tolymphocytes ratio; bPLR: basal platelets-to-lymphocytes ratio.
