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Table 2 Median, 1st and 3rd quartile of SUVmax and NSUVmax values measured in the bone marrow in both PET-CT and PET-MR, with 3 mm ROI and 9 mm VOI

From: [18F]FDG uptake of the normal spinal cord in PET/MR imaging: comparison with PET/CT imaging

Bone marrow

SUVmax in 3 mm ROI

PET-CT

PET-MR

p

 

q1

Median

q3

Mean

SD

q1

Median

q3

Mean

SD

Wilcoxon

C2

1.37

1.64

2.25

1.82

0.70

1.76

2.28

2.90

2.39

0.97

< 0.0001

C5

1.38

1.71

2.13

1.83

0.64

1.85

2.37

2.90

2.48

0.88

< 0.0001

T6

1.93

2.52

3.18

2.61

0.91

2.32

2.85

3.71

3.18

1.18

< 0.0001

T12

1.95

2.53

3.20

2.65

0.90

2.12

2.47

3.63

2.81

1.26

n.s.

L3

1.93

2.30

3.01

2.58

0.95

2.11

2.75

3.43

2.98

1.35

< 0.001

 

SUVmax in 9 mm VOI

 

PET-CT

PET-MR

p

 

q1

Median

q3

Mean

SD

q1

Median

q3

Mean

SD

Wilcoxon

C2

1.55

2.18

2.53

2.19

0.89

2.07

2.41

3.25

2.71

1.03

< 0.0001

C5

1.77

2.15

2.67

2.27

0.69

2.32

2.73

3.71

3.04

1.10

< 0.0001

T6

2.26

2.82

3.60

2.94

1.00

2.77

3.31

4.83

3.83

1.47

< 0.0001

T12

2.38

2.87

3.72

3.13

1.02

2.50

2.77

3.93

3.24

1.35

n.s.

L3

2.30

2.78

3.61

2.99

0.99

2.78

3.46

4.20

3.73

1.43

< 0.0001

Bone marrow

NSUVmax in 3 mm ROI

PET-CT

PET-MR

p

 

q1

Median

q3

Mean

SD

q1

Median

q3

Mean

SD

Wilcoxon

C2

0.53

0.72

0.99

0.8

0.36

0.96

1.32

1.71

1.69

1.75

< 0.0001

C5

0.61

0.74

0.95

0.8

0.28

1.09

1.40

1.75

1.61

1.04

< 0.0001

T6

0.86

1.07

1.23

1.15

0.46

1.33

1.73

2.19

2.21

2.18

< 0.0001

T12

0.83

1.15

1.33

1.18

0.46

1.22

1.47

1.94

1.97

2.16

< 0.0001

L3

0.82

1.08

1.31

1.14

0.43

1.03

1.59

2.06

2.11

2.17

< 0.0001

 

NSUVmax in 9 mm VOI

 

PET-CT

PET-MR

p

 

q1

Median

q3

Mean

SD

q1

Median

q3

Mean

SD

Wilcoxon

C2

0.57

0.81

0.93

0.83

0.39

0.93

1.22

1.49

1.47

1.12

< 0.0001

C5

0.66

0.80

1.05

0.86

0.30

1.08

1.37

1.79

1.71

1.57

< 0.0001

T6

0.81

1.00

1.29

1.11

0.47

1.35

1.56

2.18

2.06

1.63

< 0.0001

T12

0.9

1.11

1.36

1.18

0.44

1.14

1.45

1.79

1.73

1.29

< 0.0001

L3

0.83

1.07

1.35

1.13

0.39

1.3

1.59

2.19

2.05

1.71

< 0.0001