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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

ModelsC-index (95% CI)P*
Model 10.715 (0.679–0.751)
Model 20.697 (0.660–0.734)< 0.001
Model 30.698 (0.662–0.734)< 0.001
  1. *P values were obtained by comparing model 1 with model 2 and model 3, respectively