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Table 4 Performance of models in the SEER training set

From: A nomogram for individualized estimation of survival among adult patients with adrenocortical carcinoma after surgery: a retrospective analysis and multicenter validation study

Models

C-index (95% CI)

P*

Model 1

0.715 (0.679–0.751)

–

Model 2

0.697 (0.660–0.734)

< 0.001

Model 3

0.698 (0.662–0.734)

< 0.001

  1. *P values were obtained by comparing model 1 with model 2 and model 3, respectively