The data of image analysis
Presence ofAneurysm | Presence of Lobulation | Visualization of Aneurysmal Neck | Relationship to Neighboring Artery | Overall Image Quality | |
---|---|---|---|---|---|
DSA | 4.50 + 0.92 | 3.27 + 1.27 | 2.50 + 0.88 | 2.37 + 0.94 | 3.90 + 0.31†‡§ |
Rotation | 4.83 + 0.45 | 3.83 + 1.23 | 3.60 + 0.65* | 3.57 + 0.70* | 3.56 + 0.54§ |
MIP | 4.93 + 0.27* | 3.94 + 1.08* | 3.86 + 0.39* | 3.86 + 0.43*† | 3.44 + 0.54§ |
SSD | 5.00 + 0.00* | 4.54 + 0.99*†‡ | 4.00 + 0.00*† | 4.00 + 0.00*† | 3.06 + 0.25 |
Note.—DSA indicates digital subtraction angiography; MIP, maximum intensity projection; SSD, surface shaded display.
* Value is significantly greater than that of DSA.
† Value is significantly greater than that of rotational DSA.
‡ Value is significantly greater than that of MIP.
§ Value is significantly greater than that of SSD.