Table 14.

Delong Test between each two models (clinical, radiomic, clinical features + radiomic model) in the training and validation cohort.

Model	Clinical	LR-Radiomic	SVM-Radiomic	Clinical +LR-Radiomic	Clinical +SVM-Radiomic
Clinical	–	0.0140*	0.0161*	0.0138*	0.0085*
LR-Radiomic	0.0966	–	0.9065	0.7927	0.9142
SVM-Radiomic	0.1361	0.5247	–	1.0000	0.8908
Combined 1 (Clinical +LR-Radiomic)	0.0619	0.7807	0.2536	–	0.8798
Combined 2 (Clinical +SVM-Radiomic)	0.0787	0.8381	0.6251	0.6265	–
Training cohort			Validation cohort

T1WI, T1-weighted imaging; T2WI, T2-weighted imaging; CE, contrast-enhanced; LR, logistic regression; SVM, support vector machine. *p < 0.05.