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Table 3 Unsigned differences in TLG after coregistration

From: Influence of rigid coregistration of PET and CT data on metabolic volumetry: a user’s perspective

 

RF

RS

 

∆TLG (ml)

∆TLG (%)

∆TLG (ml)

∆TLG (%)

CT1

    

  Mean

0.9

2.9

0.6

3.2

  Median

0.4

2.1

0.4

1.8

  IQR

0.2 to 0.7

1.2 to 4.2

0.2 to 0.8

0.8 to 4.8

  Range

0.0 to 8.1

0.2 to 9.9

0.1 to 2.2

0.2 to 12.6

CT5

    

  Mean

2.1

5.3

2.1

5.4

  Median

0.6

3.2

0.7

3.8

  IQR

0.2 to 1.8

1.7 to 5.3

0.5 to 0.9

1.9 to 6.1

  Range

0.0 to 20.6

0.1 to 22.1

0.0 to 20.3

0.3 to 20.8

  1. RF, rigid fast; RS, rigid slow; CT1, 1-mm-slice thickness; CT5, 5-mm-slice thickness.