Aneurysm parameters: correlations between groups 1 and 2 and between group 1 and the other 2 groupsa
| Parameters | Group 1 (n = 10) | Group 2 (n = 19) | Group 3 (n = 3) | P Value | |
|---|---|---|---|---|---|
| Group 1 vs 2 | Group 1 vs Others | ||||
| MD | 4.6 (1.7) | 5.1 (2.5) | 3.7 (0.5) | .491 (NS) | .714 (NS) |
| ND | 4.3 (1.2) | 4.2 (1.5) | 4.0 (0.7) | .818 (NS) | .855 (NS) |
| MD/ND ratio | 1.1 (0.1) | 1.2 (0.4) | 0.9 (0.0) | .383 (NS) | .745 (NS) |
| Maximum perpendicular height | 3.4 (0.7) | 4.3 (2.6) | 3.4 (0.3) | .190 (NS) | .318 (NS) |
| Aspect ratio | 1.1 (0.1) | 1.2 (0.4) | 0.7 (0.2) | .136 (NS) | .255 (NS) |
| Maximum height | 3.9 (0.9) | 4.4 (2.5) | 3.4 (0.3) | .291 (NS) | .555 (NS) |
| Size ratio | 1.1 (0.1) | 1.4 (0.6) | 0.8 (0.3) | .598 (NS) | .440 (NS) |
| Neck width | 3.4 (0.6) | 3.5 (1.5) | 2.3 (0.3) | .335 (NS) | .699 (NS) |
| Maximum-orifice ratio | 1.1 (0.3) | 1.2 (0.6) | 1.2 (0.2) | .568 (NS) | .502 (NS) |
| Width-orifice ratio | 0.8 (0.2) | 1.0 (0.4) | 0.6 (0.3) | .215 (NS) | .350 (NS) |
| Radius of curvature | 8.3 (4.5) | 4.5 (1.9) | 5.0 (0.3) | <.0001 (S) | <.0001 (S) |
Note:—S indicates significant; NS, not significant by the comparison test adjusted for the P value; MD, maximum diameter; ND, neck diameter.
↵a Data are median (interquartile range). Units of parameters except for ratios are mm.