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Table 3: 
Angiographic characteristics in 507 patients with cerebral AVMs
TDBS (No.) (%)No TDBS (No.) (%)Multinomial Logistic Regression
P ValueOdds Ratio
All patients32475
Location
    Supratentorial27 (84)399 (84)
    Infratentorial5 (16)76 (16)
Size
    <30 mm7 (22)253 (53)<.0001117.703
    >30–60 mm17 (53)199 (42)
    >60 mm8 (25)23 (5).00116.852
Eloquence24 (75)252 (53).084.001
Venous drainage
    Deep12 (38)175 (37).22.268
Spetzler-Ponce class
    A9 (28)250 (53).040.042
    B13 (41)137 (29)
    C10 (31)88 (18).030.099