Table 5.

Prognostic performance of region-based ASPECTS assessment and ASPECTS score method

	AUC	95% CI	Sensitivity (%)	Specificity (%)
Reperfusion therapy cohort with left hemisphere affected
Region-based ASPECTS	0.776	0.658–0.869	77.8	72.5
ASPECTS score	0.670	0.545–0.760	51.9	82.5
Reperfusion therapy cohort with right hemisphere affected
Region-based ASPECTS	0.840	0.719–0.924	78.9	84.2
ASPECTS score	0.726	0.591–0.836	73.7	60.5
Medical therapy cohort with left hemisphere affected
Region-based ASPECTS	0.809	0.733–0.871	71.2	77.1
ASPECTS score	0.731	0.649–0.804	50.0	84.3
Medical therapy cohort with right hemisphere affected
Region-based ASPECTS	0.803	0.714–0.874	75.4	81.2
ASPECTS score	0.701	0.604–0.787	71.9	62.5

AUC: area under the receiver operating characteristic curve; CI: confidence interval; ASPECTS: Alberta Stroke Program CT Score.