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Table 1 Patient characteristics, motion range, comparison of contrast to noise ratio, and correlation coefficient of tumor and vessel motion trajectories

From: Novel 4D-MRI of tumor infiltrating vasculature: characterizing tumor and vessel volume motion for selective boost volume definition in pancreatic radiotherapy

Patient ID

Gender

Age

GTV (cc)

GTV SI motion (mm)

IV SI motion (mm)

SS-4D-MRI / 4D-CT

ICC (PTV vs. involved vessels) on SS-4D-MRI

CNR aorta

CNR IV

SI

AP

ML

1

M

54

220

3.7

3.2

13.2 / 0.7

11.2 / 2.9

0.99

0.18

0.97

2

M

79

53

4.2

3.5

13.5 / 0.3

4.6 / 0.7

1.00

0.44

0.42

3

M

69

100

3.3

2.5

43.8 / 7.3

27.5 / 5.8

0.96

0.88

0.96

4

M

79

38

3.8

2.4

14.5 / 1.0

4.7 / 1.6

0.99

0.93

0.87

5

F

48

58

1.5

1.1

32.0 / 0.8

23.1 / 0.8

0.81

0.44

0.94

6

M

69

48

2.3

1.5

6.2 / 2.0

6.9 / 0.3

0.93

0.72

0.44

7

M

67

87

4.8

4.6

14.8 / 1.4

9.1 / 1.4

0.99

0.98

0.63

8

F

79

125

2.3

0.1

18.7 / 1.7

11.9 / 6.5

0.69

0.11

1.00

9

M

34

112

7.3

7.6

64.2/ 1.9

23.5 / 7.6

1.00

0.92

0.93

10

F

72

14

3.0

2.3

9.5 / 3.8

8.7 / 4.4

0.97

0.85

0.52

Average

n/a

65

86

3.6

2.9

23.0 / 2.1

13.1 / 3.2

0.93

0.65

0.77

Stdev

n/a

14.3

55.8

1.5

2.1

18.3 / 2.0

8.4 / 2.7

0.10

0.31

0.23

p

n/a

n/a

n/a

n/a

n/a

0.002*

0.001*

n/a

n/a

n/a