Table 3.

ROC analysis results were obtained based on APTw, rAPTw, CBF, and rCBF values in the EA and PHA of TR and RIBI.

Region	Parameter	AUC	Cut-off	95 % CI	Sensitivity	Specificity	P
EA	CBF	0.838	29.5	0.733–0.943	0.828	0.8	<0.001
	rCBF	0.822	1.75	0.716–0.928	0.724	0.8	<0.001
	APTw	0.864	2.75	0.771–0.956	1	0.714	<0.001
	rAPTw	0.709	2.15	0.580–0.855	0.828	0.629	0.003
PHA	CBF	0.506	19.5	0.360–0.653	0.628	0.415	0.930
	rCBF	0.588	1.15	0.272–0.552	0.517	0.673	0.230
	APTw	0.672	2.35	0.591–0.864	0.655	0.657	0.003
	rAPTw	0.699	1.55	0.149–0.401	0.714	0.628	0.002

EA: enhanced area; PHA: peritumoral T2WI hyperintense area; TR: tumor recurrence; RIBI: radiation-induced brain injury; CI: confidence interval.