Table 5

Comparison of surgical outcomes of patients with type IV M-AVMs

VariablesSubtypes of type IVP value
IVa
N (%)
IVb
N (%)
Short-term MD3 (37.5)7 (87.5)0.119
Long-term MD2 (25.0)7 (87.5)0.041
Poor outcome2 (25.0)2 (25.0)1.00
Recovery time (months)2.5±1.74.7±1.90.08
Complications0 (0)3 (37.5)0.20
  • M-AVM, arteriovenous malformation located in motor-related areas; MD, motor deficit.