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Table 5 Results of quantitative grading of void artefacts volumes for high-dose and low-dose groups (cm3)

From: Breast MRI in patients after breast conserving surgery with sentinel node procedure using a superparamagnetic tracer

 

Average

Absolute interobserver variability

Relative interobserver variability

HD group

 Artefact on T1-weighted images

3.5

1.9*

1.0*

 Artefact on T2*-weighted images

20.9

8.2#

1.4#

 Fibroglandular volume on T1-weighted images

159

55.2*

4.0*

LD group

 Artefact on T1-weighted images

None

None

None

 Artefact on T2*-weighted images

0.3

0.4#

0.5#

 Fibroglandular volume on T1-weighted images

213

45.4*

3.1*

  1. *Not normally distributed
  2. #Normally distributed