Fig. 2

ROC curve analysis for identification of CHIP. On ROC curve analysis, the optimal cutoff value for identification of high intensity plaque on ex vivo CATCH (a) and ex vivo T1w images (b) was a PSR value of 2.0and 1.9, respectively, and the AUC was 0.96 forex vivo CATCH and 0.95 for ex vivo T1w images, yielding good sensitivity and specificity on both ex vivo CATCH and ex vivo T1w images (95.0%, 92.1% VS 77.2%, 97.4%, respectively). PSR = plaque-to-saline solution ratio value, AUC = area underneath the ROC curve