Comparison of patients with low- and high-level packing densities
| Patient characteristics | Packing density <20% (n=63) | Packing density >20% (n=59) | p Value |
|---|---|---|---|
| Age, mean (SD) | 56.4 (11.9) | 58.2 (10.0) | 0.36 |
| Sex | 0.97 | ||
| Male | 13 (20.6%) | 12 (20.3%) | |
| Female | 50 (79.4%) | 47 (79.7%) | |
| Obesity | 19 (30.2%) | 25 (42.4%) | 0.16 |
| Diabetes | 5 (7.9%) | 7 (11.9%) | 0.47 |
| Hypertension | 31 (49.2%) | 37 (62.7%) | 0.13 |
| Hypercoagulable state | 13 (20.6%) | 4 (6.8%) | 0.03 |
| Coronary artery disease | 4 (6.3%) | 5 (8.5%) | 0.65 |
| Currently smoking | 22 (34.9%) | 16 (27.1%) | 0.35 |
| Type of procedure | 0.14 | ||
| Elective | 55 (87.3%) | 56 (94.9%) | |
| Emergent | 8 (12.7%) | 3 (5.1%) | |
| Location of aneurysm | 0.91 | ||
| Anterior circulation | 41 (65.1%) | 39 (66.1%) | |
| Posterior circulation | 22 (34.9%) | 20 (33.9%) | |
| Mean (SD) aneurysm volume, mm3 | 533.3 (944.3) | 345.1 (923.1) | 0.27 |
| Mean (SD) aneurysm neck size, mm | 5.2 (2.0) | 4.8 (2.4) | 0.34 |
| Type of stent | 0.06 | ||
| Enterprise | 20 (31.7%) | 10 (16.9%) | |
| Neuroform | 43 (68.3%) | 49 (83.1%) | |
| Dextran use | 48 (76.2%) | 50 (84.7%) | 0.24 |
| Complications | 4 (6.3%) | 0 (0.0%) | 0.12 |
| Recurrence requiring retreatment | 12 (19.0%) | 3 (5.1%) | 0.02 |