Table 3.

Unimodal radiomics models based on different ROIs.

Modality	ROI	Training group		Testing group
		AUC	ACC	AUC	ACC
T1WI	Tumor	0.796	0.644	0.710	0.566
	Tumor & Margin (10)	0.803	0.632	0.604	0.535
	Tumor & Margin (20)	0.780	0.617	0.667	0.566
AP	Tumor	0.893	0.726	0.694	0.505
	Tumor & Margin (10)	0.909	0.776	0.718	0.596
	Tumor & Margin (20)	0.927	0.808	0.741	0.556
PVP	Tumor	0.907	0.741	0.725	0.545
	Tumor & Margin (10)	0.911	0.766	0.726	0.586
	Tumor & Margin (20)	0.921	0.769	0.733	0.586
HBP	Tumor	0.795	0.657	0.677	0.535
	Tumor & Margin (10)	0.781	0.639	0.636	0.505
	Tumor & Margin (20)	0.777	0.617	0.559	0.424