Table 2.

Diagnostic performance of the radiomic signature in training and validation groups.

Models	Groups	AUC	95% CI	Accuracy	Sensitivity	Specificity
Radiomics signature	Training group	0.86	0.79–0.93	0.79	0.79	0.79
	Validation group	0.90	0.80–1.00	0.83	0.88	0.79
Clinicoradiomics nomogram	Training group	0.86	0.78–0.93	0.81	0.71	0.81
	Validation group	0.90	0.80–1.00	0.88	0.80	0.94
Clinical model	Training group	0.64	0.56–0.72	0.69	0.36	0.79
	Validation group	0.63	0.50–0.76	0.68	0.35	0.75

AUC, area under the curve; CI confidence interval.