Construction, Validation, and Visualization of Two Web-Based Nomograms for Predicting Overall Survival and Cancer-Specific Survival in Elderly Patients with Primary Osseous Spinal Neoplasms

Figure 4

ROC curves of the nomogram for 12-month (a), 24-month (b), and 36-month (c) OS prediction in the training set and for 12-month (d), 24-month (e) and 36-month (f) OS prediction in the validation set. The time-dependent ROC curves of the nomogram for OS prediction in the training set (g) and validation set (h).

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