Table 4. Optimal Cutoff Values of Ten all CCT, MTT, and TTP for Predicting Vasospasm.

ROI-variable	AUC	P	Optimal cutoff value	Sensitivity	Specificity
XA-CCTRA2	0.788(0.636–0.940)	0.003*	5.01	78.9%	70.6%
XA-CCT LA2	0.746(0.582–0.910)	0.001*	5.19	78.9%	70.6%
XA-CCTRM2	0.824(0.684–0.963)	0.012*	4.70	94.7%	58.8%
XA-CCT LM2	0.769(0.615–0.923)	0.006*	5.10	89.5%	58.8%
CT-CCTA2	0.851(0.710–0.993)	0.000*	5.62	84.2%	82.4%
CT-CCTRM2	0.837(0.694–0.981)	0.001*	5.32	94.7%	70.6%
CT-CCT LM2	0.824(0.674–0.974)	0.001*	5.35	94.7%	64.7%
CBV	0.623(0.552–0.695)	0.001*	2.74	41.3%	80.6%
CBF	0.627(0.555–0.698)	0.001*	34.35	65.9%	60.2%
MTT	0.590(0.410–0.770)	0.001*	6.13	33.3%	83.3%
TTP	0.778(0.630–0.925)	0.001*	17.3	52.2%	94.0%

*Student’s t-test p-value was less than 0.05.