Dural Arteriovenous Fistulas | P Value | ||
---|---|---|---|
With OA (n = 92 ) | Without OA (n = 89 ) | ||
Age (yr) (SD) | 54 ± 14 | 56 ± 16 | .19 |
Male (%) | 44 (48) | 29 (33) | .04 |
Location (%) | |||
Cavernous sinus | 3 (3) | 60 (9) | <.001 |
Large sinusesb | 60 (65) | 9 (10) | |
Other sinusesb | 29 (32) | 20 (23) | |
Type (%) | |||
I and IIa | 34 (37) | 53 (60) | <.001 |
IIb, IIa+b, and III | 48 (52) | 34 (38) | |
IV and V | 10 (11) | 2 (2) | |
Aggressiveness (%) | 36 (39) | 21 (24) | .03 |