Patient characteristics
| GDCs | Matrix Coils | Total | |
|---|---|---|---|
| Patients (%) | 187 (60.9) | 120 (39.1) | 307 |
| Age, mean (range) | 52.4 ± 13.9 (21–80) | 52 ± 12 (20–79) | 52.8 (20–80) |
| Sex, M/F | 96/91 | 61/59 | 157/150 |
| With ruptured aneurysm (%) | 160 (85.6) | 100 (83.3) | 260 (84.7) |
| Hunt and Hess grades I–III | 121 (75.6) | 56 (56) | 177 (68.1) |
| Hunt and Hess grades IV–V | 39 (24.4) | 44 (44) | 83 (31.9) |
| ICH | 34 (21.25) | 20 (20) | 54 (20.8) |
| ICH removal | 11 (6.9) | 13 (13) | 24 (9.2) |
| Post-SAH hydrocephalus | 38 (23.8) | 23 (23) | 61 (23.5) |
| With unruptured aneurysm (%) | 27 (14.4) | 20 (16.7) | 47 (15.3) |
| With multiple aneurysms (%) | 28 (15) | 22 (18.3) | 50 (16.3) |
| ×2 | 18 (9.6) | 13 (10.8) | 31 (10.1) |
| ×3 | 8 (4.3) | 3 (2.5) | 11 (3.6) |
| ×4 | 0 | 4 (3.3) | 4 (1.3) |
| ×5 | 1 (0.5) | 2 (1.7) | 3 (1) |
| ×6 | 1 (0.5) | 0 | 1 (0.3) |
Note:—GDC indicates Gugliemi detachable coil; ICH, intracerebral hematoma; SAH, subarachoid hemorrhage.