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 7

DCA of the nomograms 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.

(a)

(b)

(c)

(d)

(e)

(f)