Location of ruptured aneurysm
| Artery | Endovascular | Surgery | Total |
|---|---|---|---|
| Anterior cerebral | 10 (22) | 19 (28) | 29 |
| Middle cerebral | 1 (2) | 35 (52) | 36 |
| Posterior communicating | 12 (26) | 10 (15) | 22 |
| Posterior cerebral | 19 (41) | 2 (3) | 21 |
| Internal carotid | 4 (9) | 1 (1) | 5 |
| Total | 46 (41) | 67 (59) | 113 |
Note.—Data are number (%) of patients.