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TABLE 7: 
Results of the receiver operator curve analysis for each variable and for the discriminate function C1 in differentiating between low-grade tumors and grades III IV high-grade tumors
High Versus Low GradeGrade III Versus Grade IV
CBV0.966 (<.001)0.754 (NS)
Ktrans0.979 (<.05)0.551 (NS)
CBV (95%)0.955 (<.001)0.754 (NS)
Ktrans (95%)0.986 (<.001)0.725 (NS)
CI0.993 (<.001)0.732 (NS)
  • Note.—CBV indicates cerebral blood volume; Ktrans, volume transfer coefficient. Values are areas under ROC followed by significance (P values) in parentheses.