Table 4.

Performance of each single sequence in distinguishing HGPs of CRLMs.

Model		Training cohort				Internal validation cohort
		AUC	ACC	SEN	SPE	AUC	ACC	SEN	SPE
TLI area	T1WI	0.707 (0.599–0.816)	0.803	1.000	0.400	0.619 (0.458–0.780)	0.710	0.905	0.300
	T2WI	0.845 (0.769–0.921)	0.803	0.854	0.700	0.767 (0.592–0.942)	0.677	0.905	0.200
	AP	0.907 (0.832–0.982)	0.885	0.878	0.900	0.860 (0.721–0.999)	0.806	0.905	0.600
	PVP	0.812 (0.712–0.912)	0.803	0.707	1.000	0.736 (0.590–0.882)	0.677	0.571	0.900
	ADC	0.754 (0.645–0.863)	0.721	0.659	0.850	0.733 (0.567–0.900)	0.710	0.667	0.800
Tumor area	T1WI	0.902 (0.825–0.980)	0.836	0.805	0.900	0.843 (0.708–0.978)	0.806	0.857	0.700
	T2WI	0.762 (0.640–0.884)	0.754	0.780	0.700	0.657 (0.469–0.845)	0.677	0.714	0.600
	AP	0.840 (0.725–0.954)	0.852	0.902	0.750	0.679 (0.493–0.864)	0.677	0.667	0.700
	PVP	0.887 (0.798–0.975)	0.869	0.902	0.800	0.717 (0.533–0.900)	0.710	0.714	0.700
	ADC	0.916 (0.848–0.985)	0.902	1.000	0.700	0.833 (0.713–0.954)	0.839	1.000	0.500