Baseline characteristics of the 21 patients in this study
| Variable | Value |
|---|---|
| Age (yr) | |
| Mean | 29.9 |
| Median | 29 |
| Range | 8–59 |
| SD | 17.0 |
| Sex (No.) (%) | |
| Male | 14 (66.7) |
| Female | 7 (33.3) |
| mRS before embolization (No.) (%) | |
| 0–2 | 12 (57.1) |
| 3–5 | 9 (42.9) |
| Location (No.) (%) | |
| Deep | 18 (85.7) |
| Superficial | 3 (14.3) |
| Size (No.) (%) | |
| ≤3 cm | 12 (57.1) |
| >3 cm | 9 (42.9) |
| Eloquent (No.) (%) | |
| Yes | 15 (71.4) |
| No | 6 (28.6) |
| Venous pattern (No.) (%) | |
| Superficial | 11 (52.4) |
| Deep | 9 (42.9) |
| Deep (main) + superficial | 1 (4.8) |
| No. of veins (%) | |
| Single | 20 (95.2) |
| Multiple | 1 (4.8) |
| Angioarchitecture (No.) (%) | |
| Aneurysms in the feeding artery or intranidus | 9 (42.9) |
| Venous stenosis | 4 (19.0) |
| Localized venous ectasia | 2 (9.5) |
| Spetzler-Martin grade (No.) (%) | |
| I | 3 (14.3) |
| II | 4 (19.0) |
| III | 11 (52.4) |
| IV | 3 (14.3) |
| V | 0 (0) |