Baseline information for the whole population
| Population characteristics | |
| Women (n (%)) | 76 (74.5) |
| Mean age (years) | 55.7 |
| Hypertension (n (%)) | 37 (36.3) |
| History of cerebral ischemia (n (%)) | 8 (7.8) |
| Diabetes (n (%)) | 7 (6.9) |
| Hyperlipidemia (n (%)) | 9 (8.8) |
| Smoking (n (%)) | 14 (13.7) |
| Drinking (n (%)) | 6 (5.9) |
| Location of aneurysm (n (%)) | |
| Internal carotid artery | 91 (89.2) |
| Vertebral artery | 7 (6.9) |
| Anterior cerebral artery | 1 (1.0) |
| Middle cerebral artery | 3 (2.9) |
| Size of aneurysm | |
| Large (>10 mm) (n (%)) | 17 (16.7) |
| Small (≤10 mm) (n (%)) | 85 (83.3) |
| Mean size (mm) | 7.1 |
| Labeled length of PED (n (%)) | |
| 14 mm | 1 (1.0) |
| 16 mm | 13 (12.7) |
| 18 mm | 14 (13.7) |
| 20 mm | 35 (34.3) |
| 25 mm | 27 (26.5) |
| 30 mm | 7 (6.9) |
| 35 mm | 5 (4.9) |
| Labeled diameter of PED (n (%)) | |
| 2.5 mm | 1 (1.0) |
| 3 mm | 3 (2.9) |
| 3.25 mm | 3 (2.9) |
| 3.5 mm | 7 (6.9) |
| 3.75 mm | 14 (13.7) |
| 4 mm | 25 (24.5) |
| 4.25 mm | 14 (13.7) |
| 4.5 mm | 22 (21.6) |
| 4.75 mm | 8 (7.8) |
| 5 mm | 5 (4.9) |
| Post-processing (n (%)) | |
| Yes | 11 (10.8) |
| No | 91 (89.2) |
PED, pipeline embolization device.