Table 2 The performance comparison of different models in validation cohorts

From: Predicting bone metastasis-free survival in non-small cell lung cancer from preoperative CT via deep learning

Cohorts

Model

C-index

95%CI

1 year-AUC

2 year-AUC

3 year-AUC

Internal validation

Clinical

0.715

0.664-0.767

0.757

0.753

0.772

 

DL signature

0.799

0.751-0.847

0.766

0.768

0.825

 

DLCS

0.806

0.766-0.846

0.826

0.820

0.865

External validation

Clinical

0.746

0.690-0.802

0.719

0.793

0.788

 

DL signature

0.818

0.766-0.870

0.856

0.819

0.848

 

DLCS

0.834

0.790-0.878

0.860

0.864

0.884

  1. DL deep learning, DLCS deep learning radio-clinical signature, CI confidence interval.
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