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Table 4 Performance evaluation of the nomogram

From: Predicting response to immunotherapy plus chemotherapy in patients with esophageal squamous cell carcinoma using non-invasive Radiomic biomarkers

  3D uncorrected model 3D corrected model 2D uncorrected model 2D corrected model
  AUC (95% CI) of the nomogram
Training cohort 0.662 0.658 0.794 0.843
(0.509–0.816) (0.502–0.813) (0.666–0.921) (0.736–0.950)
Validation cohort 0.677 0.670 0.898 0.914
(0.499–0.850) (0.511–0.849) (0.721–1.000) (0.775–1.000)
  P value of Hosmer–Lemeshow test
Training cohort 0.881 0.032 0.547 0.160
Validation cohort 0.328 0.430 0.717 0.478
  1. Abbreviations: AUC-Area under the Receiver-Operating Characteristic Curve