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Table 2 ROC curve analysis for ADC measures

From: Role of MRI special diffusion weighted imaging/diffusion tensor imaging techniques in the assessment of perianal fistula activity

  AUC 95%CI P value Cut-off Sensitivity (%) Specificity (%)
Track ADC value 0.816 0.689–0.942 0.000  ≥ 0.999 89.7 68.4
Ipsilateral sphincter ADC value 0.799 0.668–0.931 0.001  ≥ 0.578 89.7 63.2
Contralateral sphincter ADC value 0.732 0.583–0.882 0.007  ≥ 0.545 96.6 52.6
Surrounding edema ADC value 0.834 0.708–0.960 0.000  ≥ 0.733 86.2 68.4
  1. P value is considered statistatically significant when less than 0.005