Table 3 Arterial radius and flow volume measurements from PC-MR and TOF-MRA, as detailed in Fig. 3c, using the long segment method.

From: Arterial flow volume measurement using signal intensity gradient versus phase contrast

Arteries

Radius, mean ± SD, mm

P

PC-MR

TOF-MRA

Right ICA

2.42 ± 0.63

2.35 ± 0.22

0.654

Left ICA

2.72 ± 0.77

2.45 ± 0.37

0.199

Right VA

1.80 ± 0.30

1.68 ± 0.37

0.294

Left VA

1.84 ± 0.53

1.75 ± 0.48

0.606

 

Flow volume, mean ± SD

 

PC-MR, ml/sec

TOF-MRA, SIG·cm3

Right ICA

3.11 ± 0.76

2.66 ± 1.00

0.071

Left ICA

3.55 ± 1.04

2.93 ± 0.88

0.026

Right VA

1.38 ± 0.62

1.22 ± 0.69

0.393

Left VA

1.36 ± 0.77

1.28 ± 0.95

0.745

Cerebral blood flow

9.22 ± 2.03

7.97 ± 2.26

0.045

  1. P values by t-test. ICA, internal carotid artery; VA, vertebral artery.
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