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Egyptian Journal of Radiology and Nuclear Medicine

Table 4 Receiver operating characteristic analysis sensitivity–specificity analysis and determination of cut-off values for IVIM MRI-derived parameters

From: Intravoxel incoherent motion magnetic resonance imaging and derived parameters in the assessment for polycystic ovary syndrome

 

Dtrue (× 10−3 mm2/s)

D* (× 10−3 mm2/s)

f (%)

ADC (× 10−3 mm2/s)

AUC (CI 95%)

0.521 (0.341–0.701)

0.769 (0.625–0.914)

0.734 (0.584–0.896)

0.893 (0.774–1.013)

Cut-off value

1.48

22.25

20,87

1.37

p value

0.817

0.003

0.009

 < 0.001

Sensitivity%

50

55

55

90

Specificity%

57

67

62

33

PPV%

53

61

58

62

NPV%

58

64

63

86

Standard error

0.092

0.074

0.077

0.061

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