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Subgroup analysis of OS in ITT EGFR-WT population. OS, overall survival; ITT, intention to treat; EGFR, epidermal growth factor receptor; WT, wild type; ECOG PS, Eastern Cooperative Oncology Group performance status; eCRF, electronic case report form; PD-L1, programmed-death-ligand 1; TC, tumor cell; IC, tumor-infiltrating immune cell; HR, hazard ratio; 95% CI, 95% confidence interval. †, Stratified HR for ITT EGFR-WT population; unstratified HR for all other subgroups.
