Patients with dural arteriovenous fistulas with and without aggressive manifestations: results of univariate analyses*
| Dural arteriovenous fistulas | p value | ||
|---|---|---|---|
| With aggressive manifestations (n = 24) | Without aggressive manifestations (n = 45) | ||
| *Values are number (percentage) except age. | |||
| †Other sinuses include all locations other than the cavernous sinus and large sinus (transverse, sigmoid, and superior sagittal sinuses). | |||
| Age in years (SD) | 47 (15) | 54 (14) | 0.054 |
| Men (%) | 15 (63) | 11 (24) | 0.002 |
| Presence of cerebral sinus thrombosis (%) | 10 (42) | 17 (38) | 0.75 |
| Type of dural AVF (%) | |||
| I and IIa | 6 (25) | 36 (80) | <0.001 |
| IIb, IIa+b, III, IV, and V | 18 (75) | 9 (20) | |
| Location of dural AVF (%) | |||
| Cavernous sinus | 0 (0) | 21 (47) | <0.001 |
| Transverse/sigmoid/ superior sagittal sinuses | 5 (21) | 17 (38) | |
| Other sinuses† | 19 (79) | 7 (16) | |