. 2010 Dec 30;5(12):e15757. doi: 10.1371/journal.pone.0015757

Table 1. Area under receiver operator characteristic curve (AUC) comparing individual observers with the reference standard for each scoring method.

Scale		AUC	95% CI	Difference time 1–2	p-value
1/3 MCA	1^st reading	0.602	0.591,0.614	−0.0024	0.64
	2nd reading	0.604	0.593,0.616
IST-3	1^st reading	0.604	0.593,0.616	0.0045	0.38
	2nd reading	0.600	0.589,0.611
ASPECTS	1^st reading	0.604	0.593,0.616	−0.0038	0.46
	2nd reading	0.601	0.589,0.612

CI = confidence interval; MCA = middle cerebral artery; IST-3 = Third International Stroke Trial (IST-3); ASPECTS = Alberta Stroke Program Early CT Score