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Table 2 Comparison of C-indices of 3D and 2D Rad-scores. The 95% confidence interval for each C-index is presented

From: Delta-radiomics signature predicts treatment outcomes after preoperative chemoradiotherapy and surgery in rectal cancer

 

C-index

P-value

3D

2D

LR Rad-score

 Continuous

0.893 ± 0.035

0.873 ± 0.050

0.24

 Binary

0.951 ± 0.026

0.926 ± 0.054

0.29

DM Rad-score

 Continuous

0.783 ± 0.039

0.774 ± 0.042

0.38

 Binary

0.894 ± 0.048

0.911 ± 0.040

0.64

DFS Rad-score

 Continuous

0.788 ± 0.039

0.763 ± 0.041

0.22

 Binary

0.897 ± 0.046

0.886 ± 0.048

0.41

  1. Abbreviations: LR local recurrence, DM distant metastasis, DFS disease-free survival
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Radiation Oncology

ISSN: 1748-717X

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