Table 8.

Delong Test between each two models of LR-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	–	0.0063*	0.0725	0.0117*	0.4114	0.0063*	0.0110*
T2WI	0.1391	–	0.2395	0.6474	0.0318*	1.0000	0.6744
CE-T1WI	0.1048	0.7088	–	0.4144	0.1713	0.2395	0.3033
T1WI+T2WI	0.0695	0.5149	0.4838	–	0.0613	0.6474	0.8620
T1WI+CE-T1WI	0.6829	0.2054	0.2238	0.0771	–	0.0318*	0.0545
T2WI+CE-T1WI	0.1391	1.0000	0.7088	0.5149	0.2054	–	0.6744
T1WI+T2WI+ CE-T1WI	0.0465*	0.2542	0.3188	0.6750	0.0720	0.2542	–
Training cohort				Validation cohort

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