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Table 3: Influence of angioarchitectural features on the treatment success—summary and univariate models
Angioarchitectural Feature, Treatment Success Rate P Value (Univariate Analysis)
Location Transverse/Sigmoid Sinus, 80.4% Tentorial/Petrosal, 72.0% Superior Sagittal Sinus, 95.0% Torcular, 100% Anterior Cranial Fossa, 83.3% Sphenoparietal Sinus, 75.0% .084
Cognard type I, 60.0% IIa, 75.0% IIb, 100% IIa+b 70.0% III, 96.4% IV, 80.4% .047^{^a}
Borden type I, 66.7% II, 76.9% III, 86.1% .144
Venous drainage Into dural venous sinus, 71.4% Directly into cortical veins, 85.4% .099
Presence of cortical venous reflux Yes, 85.9% No, 61.1% .013
No. of feeding arteries <10, 92.6% ≥10, 71.4% .004^{^a}
Bilateral feeders Yes, 83.3% No, 80.4% .686
Pial artery supply Yes, 77.8% No, 83.1% .531
Involvement of the middle meningeal artery Yes, 80.2% No, 92.9% .252
Involvement of the occipital artery Yes, 80.7% No, 85.2% .602
Involvement of the internal carotid artery^{^b} Yes, 70.7% No, 88.4% .020^{^a}
Involvement of the vertebral artery^{^b} Yes, 75.6% No, 85.5% .193
Involvement of the superficial temporal artery Yes, 81.3% No, 82.1% .921
Involvement of the ascending pharyngeal artery Yes, 61.5% No, 88.1% .002^{^a}
↵a Statistically significant.
↵b Dural branches.