Table 3 Average measurement diameters and differences as well as the results of the paired t-test between differences of both methods of imaging at the dedicated measurement points, bold indicating statistical significance (p < 0.05)

Modified REACT non-CE MRA, mean, diameter, mm, SD

29.0 ± 7.5

20.7 ± 7.1

19.7 ± 5.6

13.8 ± 3.7

13.3 ± 3.1

11.5 ± 3.4

12.7 ± 2.0

4D CE-MRA, mean, diameter, mm, SD

29.4 ± 7.5

21.0 ± 7.3

20.0 ± 5.7

14.2 ± 3.7

13.7 ± 3.0

11.8 ± 3.5

13.0 ± 2.0

Differences, mean, mm

0.4

0.3

0.3

0.4

0.4

0.2

0.3

95% confidence interval, cm

0.2 to 0.7

0.1 to 0.6

0.0 to 0.6

0.0 to 0.9

0.1 to 0.7

−0.1 to 0.6

− 0.1 to 0.7

p value

0.002

0.019

0.026

0.0638

0.0199

0.192

0.173