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Table 5: 
Characteristics of 11 AVFs
CharacteristicSummarya
Single hole with pouch10/11 (91%)
Lobe
    Frontal4/11 (36%)
    Parietal0/11 (0%)
    Occipital3/11 (27%)
    Temporal3/11 (27%)
    Cerebellum0/11 (0%)
    Brain stem0/11 (0%)
    Thalamus/basal ganglia1/11 (9%)
Location
    Deep1/11 (9%)
    Subcortical0/11 (0%)
    Superficial10/11 (91%)
Pial-to-pial collateralization3/11 (27%)
Moyamoya-type changes1/11 (9%)
Stenoses on arteries1/11 (9%)
Type, pial (vs choroidal)2/11 (18%)
Associated aneurysms2/11 (18%)
Multiple draining veins5/11 (45%)
Venous ectasia11/11 (100%)
Venous reflux0/11 (0%)
Pseudophlebitic pattern3/11 (27%)
  • ↵a Summary is the No. of observations with specified value over the total No. (and the percentage).