Fig. 3

Establishment of immune risk score model. a. Kaplan–Meier survival curves of overall survival between high-risk and low-risk patients. b ROC curve AUC statistics assess the predictive power of the immune risk score model. c Principal component analysis distinguishes high - and low-risk groups. The distribution of patients’ risk score (d) and survival state (e), and 8 immune cell type infiltration of patients with osteosarcoma (f)