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Table 3 ROC curve analysis of the metabolite ratios for the prediction of high-grade neoplastic lesions

From: Magnetic resonance spectroscopy in pediatric brain tumors: how to make a more confident diagnosis

 

Cho/NAA

Cho/Cr

Cho/NAA+Cr

Myo-inositol (mI/Cr)

Sensitivity

92%

83%

83%

83%

Specificity

72%

78%

72%

79%

Optimal cutoff

> 3.3

> 3.5

> 1.3

< 1.5

AUC

0.87

0.81

0.85

0.9

P value

0.001

0.005

0.002

0.001

  1. P value was significant if < 0.05. AUC area under the curve