Table 4.

Multimodal radiomics models based on different ROIs.

Modality	ROI	Training group		Testing group
		AUC	ACC	AUC	ACC
T1WI+AP+PVP	Tumor	0.939	0.806	0.758	0.616
	Tumor & Margin (10)	0.947	0.818	0.743	0.606
	Tumor & Margin (20)	0.953	0.838	0.778	0.636