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Table 1 Clinical characteristics of the patients and arteriovenous malformations (AVMs)

From: Plasticity of motor function and surgical outcomes in patients with cerebral arteriovenous malformation involving primary motor area: insight from fMRI and DTI

Patient No. Sex Age y Clinical presentation Anatomic location of AVMs Martin-Spetzler score Nidus Pre-op muscle strength Hemorrhage history
1 F 13 Epilepsy L anterior motor area, precentral knob S1V0E1 G2 compact V N
2 F 18 Numbness of right limbs L paracentral lobule S1V0E1 G2 compact V Y
3 F 13 Headache L superior parietal lobule, precentral knob S3V0E1 G4 diffuse V N
4 M 33 Headache R anterior motor area, precentral knob S2V0E1 G3 compact V N
5 F 18 Epilepsy of the limbs R anterior motor area, precentral knob S2V0E1 G3 compact V N
  1. L left, R right, S size of nidus, V venous drainage, E eloquence of adjacent brain, Pre-op preoperative. The muscle strength was scored according to the medical research council scale of 0-V as follows: 0, Flaccid; I, Only trace muscle contraction; II, Able to accomplish a full range of motion with gravity eliminated; III, Able to accomplish a full range of motion against gravity only; IV, Able to overcome moderate resistance; and V, Normal strength