Aneurysms treated with 3D spherical coils in eight interventional neuroradiology centers
| Aneurysm | Group A | Group B | Total |
|---|---|---|---|
| Ruptured | 80 (69) | 22 (50) | 102 (64) |
| Unruptured | 36 (31) | 22 (50) | 58 (36) |
| Total | 116 | 44 | 160 |
Note.— Group A included aneurysms with a neck ≤4 mm, and group B, aneurysms with a neck >4 mm.
Data are number (%) of aneurysms.