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Table 3 Predictive value of ADC for diagnosis of malignancy by receiver operating characteristic curve (ROC)

From: Diffusion-weighted magnetic resonance imaging in differentiation between different vertebral lesions using ADC mapping as a quantitative assessment tool

Diagnosis ADC
AUC Cutoff Sens% Spec% PPV NPV P value
Malignant 0.807 ≤ 0.9 × 103 85.7 91.3 75.0 95.5 0.0108*
Benign 0.807 > 0.9 × 103 91.3 85.7 95.5 75.0 0.0108*
  1. AUC area under curve, Sens sensitivity, Spec specificity, PPV positive predictive value, NPV negative predictive value
  2. *P ≤ 0.05 is considered significant