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Table 2: 
Characteristics of the population and treatment groups
All Patients (n = 126)Endovascular (n = 8)Radiotherapya (n = 39)Surgical (n = 44)Multimodala (n = 31)Endovascular Complications (n = 4)
Age (yr) (mean) (SD)44.9 (±16.9)42.8 (16.9)45.6 (17.2)48.7 (16.3)37.9 (14.7)41.3 (20.5)
Female sex (%)525053633225
Endovascular grade (median) (IQR)3 (2–4)2 (1.75–2)4 (2–4)3 (2–3)3 (2–4)4 (3.5–4.25)
Spetzler-Martin grade (median) (IQR)2 (1–3)1 (1.5–2)3 (2–3)1 (1–2)3 (2–4)3.5 (3–4)
bAVM volume (mL) (mean) (SD)9.8 (±17.2)2.1 (±1.8)9.7 (±13.4)1.7 (±2.4)17.4 (±19.2)54.1 (±45.2)
No. of feeding arteries (score) (median) (IQR)2 (2–3)1 (1–1.25)3 (2–3)3 (1–3)2 (2–3)3 (2.75–3)
AVF component (%)9%010%2%9%25%
Eloquent (%)53%63%74%31%54%75%
Final mRS score (median) (IQR)0 (0–1)0 (0–0)0 (0–1)0 (0–1)1 (0–1)5 (3.5–6)
  • Note:—IQR indicates interquartile range.
  • ↵a Cured or significantly reduced lesions without complications (in the “Multimodal” category, this includes embolization plus radiosurgery).