CD274 and sarcopenia: Multivariate analysis of propensity score-matched groups showed that sarcopenia ((OR=5.674, 95% CI, 1.506-21.380; P=0.01), PD-L1 expression ((OR=4.037, 95% CI, 1.0897-14.958; P=0.037) were significantly associated with the occurrence of irAEs (Table 6).