Summary of demographics and clinical presentations
| No of patients | 50 |
| Men | 35 |
| Women | 15 |
| Age (years) | |
| Median | 56±13 |
| Range | 1–82 |
| No of DAVFs | 63 |
| Total embolization procedures | 76 |
| Clinical presentations (n (%)) | |
| Bruit | 22 (44) |
| Intracranial hemorrhage | 14 (22) |
| Headache | 11 (17) |
| Altered mental status | 3 (6) |
| Seizure | 3 (5) |
| Progressive weakness | 2 (4) |
| Cranial nerve palsies | 1 (2) |
| Visual symptoms | 1 (2) |
| Dementia | 1 (2) |
| Dizziness | 1 (2) |
| Cortical venous reflux (n (%)) | 36 (57) |
| Intracranial hemorrhage | 14 (39) |
| Bruit | 11 (31) |
| NINDs | 5 (14) |
| Headaches | 5 (14) |
| Altered mental status | 2 (6) |
| Seizure | 2 (6) |
DAVF, dural arteriovenous fistula; NIND, non-hemorrhagic neurological deficits.