ROC Curve Analysis (IMAGE) Radiological Society of North America Caption This is an ROC curve analysis of the pairwise comparison between groups. ASL relative CBF in PCC enabled discrimination of (a) dCON (P=.001) and (b) MCI (P=.001) from sCON; however, there was no difference between (c) dCON and MCI. Credit Radiological Society of North America Usage Restrictions With credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.