Table 2. Image quality in CE-MRA.
CE-MRA | ||
Image quality | Equilibrium-phase (n = 23) | First-pass (n = 22) |
Excellent | 13 (57%) | 7 (32%) |
Diagnostic | 10 (43%) | 5 (23%) |
Non-diagnostic | 0 (0%) | 10 (45%) |
VNR (mean ± SD) | 16.7±9.1 | 6.9±4.6a |
VBR (mean ± SD) | 12.0±7.1 | 3.1±3.5a |
VNR, vessel-to-noise ratio; VBR, vessel-to-background ratio.
p<0.01.