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Table 2 ADC values of MRI-detectable benign/malignant breast diseases (n = 49)

From: Differential diagnosis of benign and malignant breast masses using diffusion-weighted magnetic resonance imaging

b value (s/mm 2 )

Breast disease

Mean ADC (×10 −3mm 2 /s)

Mean square

Standard deviation

95% confidence interval

P

400

Benign

1.85

0.19

0.44

0.80 to 2.62

<0.001

 

Malignant

1.36

0.07

0.27

1.01 to 1.97

 

600

Benign

1.79

0.28

0.53

0.65 to 2.90

<0.001

 

Malignant

1.21

0.05

0.23

0.78 to1.79

 

800

Benign

1.66

021

0.46

0.64 to 2.47

<0.001

 

Malignant

1.11

0.04

0.19

0.78 to 1.69

 
  1. ADC, apparent diffusion coefficient; MRI, magnetic resonance imaging.