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Comparison of ROC curve analyses for different MR variables and their combinations. The combination of CE + DSC + MRS presents the high diagnostic performance, and the AUC was 0.965 (95%CI 0.920–1.000), with significant level of p < 0.05 to any other variables and other combinations. CE, contrast enhancement pattern of residual cavity wall; MRS, Cho/Cr and Cho/NAA ratios; DSC, dynamic susceptibility contrast perfusion.
