Table 3.

Receiver operating curve analyses of radiomic models for predicting p53 levels in patients with glioma using different regions of interest.

	MRI region
	T1 solid	T2 solid	T2 5 mm	T2 10 mm	T2 15 mm	T2 20 mm
Accuracy	0.688	0.562	0.562	0.813	0.5	0.688
Sensitivity	0.636	0.636	0.727	1	0.636	0.909
Specificity	0.8	0.4	0.2	0.4	0.2	0.2
AUC	0.673	0.382	0.527	0.709	0.381	0.4
Precision	0.875	0.7	0.666	0.786	0.636	0.714

MRI, magnetic resonance imaging; AUC, area under the curve; solid, solid tumour region in T1 or T2 weighted images; 5/10/15/20 mm, peritumoral regions in T2-weighted images.