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Table 2 Performance of radiomics models on multi-modality test set

From: Comprehensive integrated analysis of MR and DCE-MR radiomics models for prognostic prediction in nasopharyngeal carcinoma

Model

C-index (95%CI)

p

MR based

PD-w

0.687 (0.582–0.791)

0.022

CET1-w

0.626 (0.482–0.770)

0.032

Multi-sequence MR

0.702 (0.547–0.857)

0.030

DCE-MR based

Ktrans

0.654 (0.493–0.815)

0.002

kep

0.644 (0.458–0.830)

0.013

ve

0.606 (0.378–0.834)

0.030

vp

0.587 (0.337–0.836)

0.027

Multi-parameter DCE-MR

0.731 (0.595–0.867)

0.043

MR and DCE-MR

Combined

0.808 (0.691–0.924)

-

  1. CI confidence interval, p < 0.05, significant differences in C-indices between the combined model and MR/DCE-MR-based models