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Table 4 Agreement (sensitivity, specificity) for ADCpre and ΔADC to predict local failure cases

From: Diffusion-weighted magnetic resonance imaging (DWMRI) of head and neck squamous cell carcinoma: could it be an imaging biomarker for prediction of response to chemoradiation therapy

  AUC P 95% C.I Cut-off Sensitivity Specificity PPV NPV
ADCpre 0.740 0.028* 0.559–0.922 > 0.94 83.33 59.09 69.0 76.5
ΔADC 0.786 0.009* 0.614–0.958 ≤ 33 71.43 60.0 62.5 69.2
  1. AUC Area under a curve, P value probability value, CI confidence intervals, NPV nssegative predictive value, PPV positive predictive value
  2. *Statistically significant at P ≤ 0.05