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Comparison of Regional Heterogeneity and Global Scale [11C[HED PET parameters for SCA risk discrimination. Time-dependent AUC illustrate discrimination over time (A). PET parameters were compared up to the median follow-up (4.2years). ROC curve comparison for regional defect and global scale parameters up to median follow-up (B). Corresponding P values are displayed in Table 5. * AUC superior than both global scale parameters, p<0.05.
