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Table 4 Sensitivity, specificity, PPV, NPV, and accuracy of reading 3D models by the radiologist

From: Introducing 3D modelling of MRI in the preoperative mapping of perianal fistula: How it could help the surgeons?

 

Internal opening

Abscess collections

Horseshoe collections

Supra-levator extension

Side branches

Value (%)

95% CI

Value (%)

95% CI

Value (%)

95% CI

Value (%)

95% CI

Value (%)

95% CI

Sensitivity

76.32%

59.76–88.56%

100.00%

15.81–100.00%

100.000%

47.818–100.000%

100.00%

63.06–100.00%

80.00%

51.91–95.67%

Specificity

100.00%

73.54–100.00%

93.75%

82.80–98.69%

95.556%

84.851–99.457%

100.00%

91.59–100.00%

91.43%

76.94–98.20%

PPV

100.00%

  

18.23–66.60%

71.429%

39.210–90.645%

100.00%

 

80.00%

56.83–92.40%

NPV

57.14%

42.97–70.23%

100.00%

 

100.000%

 

100.00%

 

91.43%

79.41–96.72%

Accuracy

82.00%

68.56–91.42%

94.00%

83.45–98.75%

96.000%

86.286–99.512%

100.00%

92.89–100.00%

88.00%

75.69–95.47%