Table 2 Discrimination ability of radiomics signatures
Model | Training set (95%CI) | Over-optimistic correction (95%CI) | External validation set (95%CI) |
|---|---|---|---|
CT score | 0.819 (0.745–0.892) | 0.804 (0.728–0.880) | 0.786 (0.641–0.931) |
PET score | 0.763 (0.678–0.848) | 0.735 (0.646–0.824) | 0.804 (0.681–0.927) |
CT score + PET score | 0.835 (0.780–0.891) | 0.828 (0.757–0.898) | 0.819 (0.692–0.947) |