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Table 1 Demographic and angioarchitectural characteristics of 30 DPAVM patients

From: Embolization of feeding arteries and symptom alleviation of mixed dural-pial arteriovenous malformations

Characteristics Number of patients (%)
Age at presentation, years, Mean(±SD) 28.3(±9.7)
Gender, Male 13(43.3)
Symptom  
 Hemorrhage 9(30.0)
 Epilepsy 11(36.7)
 Headache 6(20.0)
 FND 4(13.3)
Location  
 Cortical location 28(93.3)
 Deep 1(3.3)
 Infratentorial 1(3.3)
Eloquent area 11(36.7)
Origin of dural branch involved in blood supply  
 ECA 29(96.7%)
 VA 1(3.3%)
Size  
 <3 cm 2(6.7)
 3-6 cm 12(40.0)
 >6 cm 16(53.3)
Deep Venous drainage 6(20.0)
SM Grade  
 I-II 10(33.3)
 III-IV 19(63.3)
 V 1(3.3)
Coexisting aneurysms 2(6.7)
Coexisting DAVF 10(33.3)
  1. DPAVM mixed dural-pial arteriovenous malformation, SD standard deviation, FND focal neurological dysfunction, ECA external carotid artery, VA vertebral artery, SM Spetzler-Matin Grading system, DAVF dural arteriovenous fistula