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Table 4 Assigned diagnostic categorization for each patient made by three nuclear medicine physicians from PET images with three MRAC methods (PETDeepUTE, PETDixonBone, PETUTE) and PETCT. Cerebellum was used as reference region. Intra-reader discrepancies with PETCT as reference are italicized

From: Quantitative and clinical impact of MRI-based attenuation correction methods in [18F]FDG evaluation of dementia

Patient

Reader

PETCT

PETDeepUTE

PETDixonBone

PETUTE

1

1

N

N

N

N

 

2

N

N

N

NS

 

3

N

N

N

NS

2

1

AD

N

AD

AD

 

2

NS

FTD

FTD

NS

 

3

FTD

NS

NS

NS

3

1

N

N

N

N

 

2

N

N

NS

NS

 

3

N

N

N

NS

4

1

N

N

AD

AD

 

2

FTD

FTD

FTD

FTD

 

3

N

N

N

N

5

1

FTD

FTD

FTD

FTD

 

2

AD

NS

NS

AD

 

3

NS

AD

AD

AD

6

1

N

N

N

AD

 

2

N

N

N

N

 

3

N

N

N

N

7

1

AD

NS

NS

NS

 

2

AD

AD

NS

AD

 

3

AD

AD

AD

AD

8

1

AD

N

N

AD

 

2

FTD

FTD

FTD

FTD

 

3

N

NS

NS

NS

9

1

N

N

N

NS

 

2

NS

NS

N

NS

 

3

NS

N

N

N

10

1

AD

N

N

AD

 

2

N

N

N

N

 

3

N

N

N

N

11

1

N

N

N

AD

 

2

NS

FTD

NS

NS

 

3

NS

NS

NS

NS

12

1

N

N

N

N

 

2

N

N

N

N

 

3

N

N

N

N

13

1

N

N

FTD

N

 

2

NS

NS

NS

NS

 

3

NS

NS

NS

NS

14

1

N

N

N

N

 

2

N

FTD

FTD

FTD

 

3

N

N

NS

N

15

1

N

N

N

AD

 

2

FTD

FTD

FTD

FTD

 

3

N

NS

NS

NS

16

1

AD

AD

AD

AD

 

2

AD

AD

AD

AD

 

3

AD

AD

AD

AD

17

1

AD

AD

NS

AD

 

2

AD

NS

AD

AD

 

3

NS

NS

NS

NS

18

1

N

N

N

N

 

2

NS

NS

NS

NS

 

3

N

N

N

N

  1. N normal, NS non-specific, AD Alzheimer’s disease, FTD frontotemporal dementia