Table 2:

ROC of relative CBF thresholds for acute ischemic tissue viability

	Halpern OOP	Sensitivity	Specificity	rCBF 90% Sensitivity	rCBF 90% Specificity	AUC	SE
Early recanalizers Tonset ≤6 hours	0.27	0.80	0.87	0.40	0.24	0.91	0.001
Late recanalizers Tonset >6 hours	0.44	0.77	0.75	0.63	0.28	0.83	0.002
Nonrecanalizers	0.41	0.78	0.77	0.60	0.28	0.85	0.001