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Table 1 ROC curve analysis for FA 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 FA value

1.000

1.0–1.0

0.000

 ≤ 0.410

100.0

100.0

Ipsilateral sphincter FA value

0.808

0.661–0.954

0.000

 ≤ 0.522

89.7

78.9

Contralateral sphincter FA value

0.684

0.525–0.843

0.032

 ≤ 0.717

62.1

68.4

Surrounding edema FA value

0.850

0.731–0.969

0.000

 ≤ 0.505

79.3

84.2

  1. P value is considered statistatically significant when less than 0.005