| PC 400 (N=16) | Controls (N=95) | |
| Mean age (yrs) | 58 | 56 (N=94) |
| Location: ICA/P Comm./A Comm. ACA/MCA/Other (%) | 50/31.3/12.5/6.2/0 | 36.9/21.1/26.3/9.5/6.2 |
| Aneurysm volume (mean) (cc) | 204.3* | 154.5 |
| Ruptured (%) | 43.8 | 57.9 |
| # Coils used (mean) | 3.9 | 5.5 |
| Coil length (mean) (cm) | 36.3 | 46.8 |
| Stent assisted coiling (%) | 37.5 | 28.4 |
| Procedure time (mean)(min) | 46.7 | 58.8 |
| Packing density (mean) (%) | 36.2** | 27.5 |
| PC 400 (N=7) | Controls (N=44) | |
| Follow-up (mean/median) (mos) | 6.2/7.0 | 6.2/6.0 |
| Raymond scale-class I occlusion†: approx. 6 months post treatment (%) | 85.7 | 61.4 |
| Raymond scale-class I occlusion1 Comparison to immediate post-treatment: better/same/worse (%) | 57.1/42.9/0 | 36.4/52.2/11.4 |
*p<0.05, **p<0.005 (non-parametric wilcoxon ranked test).
†Classifications from Roy et al. Stroke 2001;32:1998–2004.