A Novel Tool to Predict the Overall Survival of High-Grade Osteosarcoma Patients after Neoadjuvant Chemotherapy: A Large Population-Based Cohort Study

Figure 1

Kaplan–Meier survival curves of variables were performed for high-grade osteosarcoma patients after neoadjuvant chemotherapy and primary tumor resection in the training cohort. (a) Age. (b) Disease stage. (c) Tumor size.

(a)

(b)

(c)