Comparison of previously ruptured aneurysms and unruptured aneurysmsa
| Previously Ruptured | Unruptured | P Value | |
|---|---|---|---|
| No. of procedures | 319 | 75 | |
| Age (yr) | 55.1 ± 13.5 | 57.6 ± 12.5 | NS |
| Percentage of women | 77 | 77 | NS |
| No. of aneurysms | 1.1 ± 0.4 | 1.05 ± 0.24 | NS |
| Size of aneurysm | 5.9 ± 4.1 | 7.9 ± 4.5 | .0005 |
| Number of coils | 4.3 ± 3.3 | 5.5 ± 3.5 | .00072 |
| Major complications | 14 | 27 | .10 |
| Minor complications | 17 | 52 | .24 |
Note:—NS indicates not significant.
↵a Although the number of coils and size of aneurysm varied between unruptured aneurysms and previously ruptured ones, there was no difference in the complication rate between the 2 groups.