Research Article
MR Angiography of the Head/Neck Vascular System in Mice on a Clinical MRI System
Figure 6
Intraobserver agreements of non-contrast-enhanced and contrast-enhanced MR angiography. The non-contrast-enhanced MRA showed a close correlation for the intraobserver agreement (R2 = 0.84, ). The associated confidence intervals ranged from −0.64 to 0.91. For the contrast-enhanced MRA, a stronger correlation was found (R2 = 0.94). The associated 95% confidence intervals ranged from −0.37 to 0.48 (Figure 6).
(a) |
(b) |
(c) |
(d) |