Table 3 Delong test in different models.

From: Novel deep learning algorithm based MRI radiomics for predicting lymph node metastases in rectal cancer

Model comparison

Z1

p1

Z2

p2

Z2

p3

Physician vs. DLRS

− 6.495

< 0.001

− 4.485

< 0.001

− 4.688

< 0.001

Physician vs. nomogram

− 6.821

< 0.001

− 4.589

< 0.001

− 4.742

< 0.001

DLRS vs. nomogram

− 1.105

0.269

− 0.351

0.725

− 4.742

< 0.001

  1. P1, Training; p2, Invad; p3, Exvad.
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