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Table 1 Mean, standard deviation (SDp) of the paired difference (3T minus 7T), median angle and SNR. * indicates significant

From: Quantification and visualization of flow in small vessels of the Circle of Willis: time-resolved three-dimensional phase contrast MRI at 7T compared with 3T

 

Vol 1

Vol 2

Vol 3

Vol 4

Vol 5

Field Strength

3T

7T

3T

7T

3T

7T

3T

7T

3T

7T

Mean (cm/s)

0.4* (p=0)

1.2* (p=0)

0.3* (p=0)

0.2* (p=0)

0.0 (p=0.6)

SDp (cm/s)

10.1

16.3

17.2

17.8

14.4

Median angle (°)

21.6

27.6

26.0

35.3

31.3

SNR

12.6

34.3

12.4

38.9

11.2

29.8

10.9

28.1

12.1

27.4