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Egyptian Journal of Radiology and Nuclear Medicine

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
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