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Egyptian Journal of Radiology and Nuclear Medicine

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
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