Skip to main content

Table 4 Diagnostic performance of DTI parameters

From: Diffusion tensor magnetic resonance imaging in differentiation of breast lesions

 

Cut-off

Sensitivity %

Specificity %

PPV

NPV

Accuracy %

ADC

≤ 1.21

87.50

88.46

87.5

88.5

86.7

FA

> 0.15

95.83

96.15

95.8

96.2

95.6

RA

> 0.13

91.67

92.31

91.7

92.3

90.2

MD

≤ 1.41

91.67

92.31

91.7

92.3

91.4%

λ1

≤ 1.7

95.83

96.15

95.8

96.2

97.4

λ2

≤ 1.31

87.50

84.62

84.0

88.0

91.8

λ3

≤ 1.19

90.67

89.00

90.67

89.00

97.7

λ1–λ3

≤ 0.65

95.83

96.15

95.8

96.2

97.4

  1. ADC: Apparent diffusion co-efficient. FA, RA: fractional and relative anisotropy, MD: mean diffusivity, λ1–λ3: maximum anisotropy index, λ1, λ2, λ3: maximum, middle and minimum eigenvalues, respectively