Model | Feature Fusion | Internal Validation Set | Independent Test Set 1 | Independent Test Set 2 | aAUC (SD) |
---|---|---|---|---|---|
Radiomics | None | 0.810 | 0.644 | 0.679 | 0.715 (0.019) |
Deep Learning | None | 0.746 | 0.717 | 0.623 | 0.676 (0.021) |
Radiomics-Deep Learning Fusion | Additiona | 0.795 | 0.663 | 0.736 | 0.736 (0.018) |
Learnable Additiona | 0.793 | 0.677 | 0.748 | 0.740 (0.017) | |
Concatenationa | 0.790 | 0.697 | 0.743 | 0.737 (0.018) | |
Concatenation | 0.813 | 0.758 | 0.728 | 0.754 (0.018) |