CD274 and non-small cell lung carcinoma: In the NSCLC group, the area under curve (AUC) was 0.726 (95% CI, 0.679–0.774; p < 0.0001) (Figure 3(d)), and the sensitivity, specificity, positive-predictive value, negative-predictive value, and accuracy in predicting PD-L1 positivity were 86.7%, 44.7%, 49.7%, 84.3%, and 60.9%, respectively.