Table 11.

Delong Test between each two models of SVM-classifier in the training and validation cohorts.

Radiomic model	T1WI	T2WI	CE-T1WI	T1WI+T2WI	T1WI+CE-T1WI	T2WI+CE-T1WI	T1WI+T2WI+CE-T1WI
T1WI	–	0.0084*	0.1247	0.1305	0.2795	0.0084*	0.0956
T2WI	0.0928	–	0.2589	0.1822	0.0449*	1.0000	0.2545
CE-T1WI	0.2519	0.4948	–	0.8594	0.3360	0.2589	0.9250
T1WI+T2WI	0.0306*	0.4472	0.2551	–	0.3718	0.1822	0.5620
T1WI+CE-T1WI	0.8981	0.1217	0.1746	0.0203*	–	0.0449*	0.2863
T2WI+CE-T1WI	0.0928	1.0000	0.4948	0.4472	0.1217	–	0.2545
T1WI+T2WI+ CE-T1WI	0.0079*	0.1404	0.0912	0.3870	0.0125*	0.1404	–
Training cohort				Validation cohort

T1WI, T1-weighted imaging; T2WI, T2-weighted imaging; CE, contrast-enhanced. *p < 0.05.