Table 2:
Aneurysm parameters: correlation of group 1 and group 2 and 3 aneurysmsa
| Parameters | Total | Accordant |
Contralateral |
Undefined |
||
|---|---|---|---|---|---|---|
| (Group 1) | (Group 2) | P Value | (Group 3) | P Value | ||
| MD | 5.2 ± 2.4 | 5.3 ± 2.1 | 5.6 ± 2.5 | .570 (NS) | 4.6 ± 1.4 | .823 (NS) |
| ND | 4.1 ± 1.7 | 4.2 ± 1.7 | 4.3 ± 1.7 | .891 (NS) | 3.7 ± 1.7 | .372 (NS) |
| MD/ND ratio | 1.3 ± 0.5 | 1.3 ± 0.4 | 1.3 ± 0.3 | .608 (NS) | 1.4 ± 0.8 | .616 (NS) |
| Maximum perpendicular height | 4.1 ± 1.3 | 4.0 ± 1.4 | 4.2 ± 1.2 | .583 (NS) | 4.1 ± 1.3 | .911 (NS) |
| Aspect ratio | 1.1 ± 0.5 | 1.0 ± 0.3 | 1.0 ± 0.4 | .91 (NS) | 1.3 ± 0.7 | .344 (NS) |
| Maximum height | 4.3 ± 1.4 | 4.3 ± 1.4 | 4.4 ± 1.3 | .826 (NS) | 4.2 ± 1.4 | .824 (NS) |
| Size ratio | 1.6 ± 0.6 | 1.7 ± 0.7 | 1.4 ± 0.4 | .360 (NS) | 1.6 ± 0.5 | .922 (NS) |
| Angle of neck section to imaging section | 52.1 ± 21.8 | 47.8 ± 22.9 | 52.9 ± 10.0 | .375 (NS) | 64.0 ± 20.8 | .045 (S) |
| Maximum inflow velocity | 577 ± 164 | 604 ± 169 | 449 ± 159 | .029 (S) | 583 ± 136 | .721 (NS) |
| MRA signal intensity | 355 ± 69.0 | 356 ± 64.6 | 348 ± 56.8 | .752 (NS) | 356 ± 91.6 | .955 (NS) |
Note:—NS indicates not significant by the comparison test adjusted for the P value threshold for each parameter; MD, maximum diameter; ND, neck diameter.
a
Data are means.