Characteristics of the 37 patients
| Demographics | |
|---|---|
| Age, years | 45.0 [26.0–55.0] |
| Sex, male | 22 (59.5%) |
| Type of treatment | |
| Embolization then radiosurgery | 14 (37.8%) |
| Embolization | 8 (21.6%) |
| Radiosurgery | 8 (21.6%) |
| Surgery | 3 (8.1%) |
| Surgery then radiosurgery | 3 (8.1%) |
| Surgery then embolization | 1 (2.7%) |
| bAMV location | |
| Supratentorial | 33 (89.2%) |
| Infratentorial | 4 (10.8%) |
| Time intervals | |
| Delay between last treatment and images, months | 36 [10–45.5] |
| Delay between DSA and 4D-MRA, days | 1 [0.5–1] |
| Presentation | |
| Hemorrhage | 16 (45.7%) |
| Seizure | 8 (22.9%) |
| Headache | 6 (17.1%) |
| Neurologic symptoms | 4 (11.4%) |
| Incidental | 1 (2.9%) |
Note:—Continuous variables were presented by proportion and percentage, categoric variables were described with median, first, and third quartiles. Presentation mode was available for 35 of 37 patients.