Abstract E-099 Table 1

Patient and AVM characteristics

Patients (n = 72) 
Male (%)56
Mean age, years (range)38 (16–72)
Hemorrhagic presentation (%)24
AVM characteristics 
Spetzler-Martin grade (% of cohort)1 (25)2 (34)3 (25)4 (10)5 (6)
Exclusive deep venous drainage (%)7
Venous stenosis (%)18
Single draining vein (%)33
Deep location (%)7
Volume, mL (range)11.5 (0.3–62.8)