Fig. 3

Overall frequency of TRAEs leading to discontinuation according to PD-1/PD-L1 inhibitor type and PD-L1 expression. Abbreviations: AEs, adverse events; FAEs, fatal adverse events; PD-L1, programmed cell death protein ligand-1; SAEs, serious adverse events; TRAEs, treatment-related adverse events. ns indicates nonsignificant differences (P > 0.05), and * indicates P < 0.05