Skip to main content

Table 5 Receiver operating characteristic curve analysis of individual parameters for differential diagnosis

From: Quantitative characterization of breast lesions and normal fibroglandular tissue using compartmentalized diffusion-weighted model: comparison of intravoxel incoherent motion and restriction spectrum imaging

Malignant vs. Benign

 

ADC (×10− 3 mm2/s)

Dt (×10− 3 mm2/s)

Dp (mm2/s)

f

C1

C2

C3

C1C2

F1

F2

F3

F1F2

AUC

0.853

0.804

0.643

0.634

0.833

0.513

0.647

0.767

0.871

0.663

0.714

0.851

Threshold

≤ 1.025

≤ 0.729

>0.022

≤ 0.255

>0.343

≤ 2.900

≤ 0.227

>0.503

>0.124

≤ 0.780

≤ 0.106

>0.123

Sensitivity (%)

75.00

78.45

49.14

75.86

80.17

89.66

84.48

75.86

96.55

87.93

81.90

81.03

Specificity (%)

82.93

75.61

78.05

51.22

70.73

24.39

48.78

70.73

65.85

51.22

58.54

80.49

Malignant vs. Healthy

 

ADC (×10− 3 mm2/s)

Dt (×10− 3 mm2/s)

Dp (mm2/s)

f

C1

C2

C3

C1C2

F1

F2

F3

F1F2

AUC

0.793

0.646

0.610

0.644

0.968

0.871

0.695

0.982

0.628

0.792

0.943

0.751

Threshold

≤ 1.162

≤ 0.791

≤ 0.023

>0.234

>0.281

>1.197

≤ 0.126

>0.330

>0.124

>0.696

≤ 0.129

>0.116

Sensitivity (%)

91.38

90.52

60.34

54.31

88.79

82.76

55.17

87.07

96.55

82.76

93.97

84.48

Specificity (%)

66.88

54.14

59.87

68.79

91.08

79.62

78.34

99.36

44.59

64.33

78.34

61.78

Benign vs. Healthy

 

ADC (×10− 3 mm2/s)

Dt (×10− 3 mm2/s)

Dp (mm2/s)

f

C1

C2

C3

C1C2

F1

F2

F3

F1F2

AUC

0.511

0.557

0.746

0.737

0.660

0.863

0.502

0.798

0.658

0.840

0.699

0.586

Threshold

≤ 1.388

>0.472

≤ 0.022

>0.225

>0.302

>0.999

>0.100

>0.330

≤ 0.196

>0.699

≤ 0.140

≤ 0.147

Sensitivity (%)

63.41

100

78.05

80.49

39.02

90.24

65.85

51.22

90.24

87.80

65.85

90.24

Specificity (%)

52.23

21.66

65.61

58.60

94.27

66.88

11.46

99.36

38.22

64.97

75.16

27.39

  1. Note: The best AUC of diffusion parameter in Malignant vs. Benign, Malignant vs. Healthy, and Benign vs. Healthy is shown in bold