Distribution of aneurysm sizes by group
| Aneurysm Size Group Distribution | Group 1: Incidental | Group 2: Mass Effect | Group 3: Tumor/AVM | Group 4: Chronic SAH | Group 5: Acute SAH | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | n | % | n | % | |
| Small/Small | 46 | 34.6 | 8 | 14.3 | 2 | 15.4 | 12 | 54.5 | 16 | 69.6 |
| Small/Wide | 38 | 28.6 | 3 | 5.3 | 6 | 46.1 | 8 | 36.4 | 6 | 26.1 |
| Large | 40 | 30.1 | 16 | 28.6 | 3 | 23.1 | 2 | 9.1 | 1 | 4.3 |
| Giant | 6 | 4.5 | 23 | 41.1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Fusiform | 3 | 2.2 | 6 | 10.7 | 2 | 15.4 | 0 | 0 | 0 | 0 |
| Total | 133 | 100 | 56 | 100 | 13 | 100 | 22 | 100 | 23 | 100 |
Note.—AVM indicates arteriovenous malformation; SAH, subarachnoid hemorrhage.