Subject/treatment characteristics in PC400 vs control
| Penumbra coil 400 (n=14–16) | Controls (n=70–79) | |
|---|---|---|
| Mean age (years) | 58 | 55 |
| Gender: female (%) | 81.3 | 71.8 |
| Location: ICA/Pcomm./MCA/other (%) | 50/31.3/6.3/12.4 | 41.8/21.5/8.9/27.8 |
| Mean aneurysm volume (ml) | 204.3 | 187.2 |
| Ruptured (%) | 46.7 | 50.6 |
| Mean No of coils used per aneurysm | 3.9* | 6.1 |
| Mean coil length (cm) | 36.3 | 56.9 |
| Stent assisted coiling (%) | 37.5 | 32.9 |
| Mean procedure time (min) | 45.7* | 64.1 |
| Mean packing density (%) | 36.8** | 28.1 |
*p<0.05, **p<0.005 (non-parametric Wilcoxon ranked test).
ICA, internal carotid artery; MCA, middle cerebral artery; Pcomm, posterior communicating artery.