Table 2.

Demographics and AVM Characteristics of Patients

Case #	Age (Years)	Sex	Presentation	Prior Treatment?	Nidus Size (cm)	Anatomical Location	SM Grade/RBAS	GKR Dose(Gy)*
1	56	M	Hemorrhage	N	1.0	Left Postcentral Gyrus	2/1.22	13
2	20	M	Hemorrhage	Embolization	2.0	Right Precentral Gyrus	2/0.58	12
3	36	M	Headaches	N	3.0	Right Precentral Gyrus	3/1.03	15
4	61	F	Hemorrhage	Proton Beam	1.5	Right Temporparietal	2/1.37	15
5	19	M	Incidental; Epistaxis	N	1.8	Left Postcentral Gyrus	2/0.44	15
6	41	M	Seizure	N	2.0	Left Occipital	3/1.08	13
7	30	M	Hemorrhage	N	3.0	Right Precentral Gyrus	3/0.91	15
8	57	F	Seizure	N	1.0	Left Temporal	2/1.17	14
9	44	F	Headache	N	2.9	Right Parietal	2/1.83	16
10	33	F	Seizure	N	1.5	Left Frontal	2/0.72	14
11	57	M	Hemorrhage	N	1.0	Left Temporal	3/1.32	16
12	54	F	Seizure	N	4.5	Left Precentral Gyrus	3/1.4	13
13	45	M	Hemorrhage	N	2.5	Left Precentral Gyrus	3/1.14	16
14	61	M	Incidental; dysarthria	N	1.5	Right Temporal	1/1.27	16
15	44	M	Seizure		2	Right Temporal	2/1.44	17
16	46	F	Hemorrhage	Embolization	3.1	Right Cerebellar	2/1.03	16
17	47	F	Hemorrhage	N	1.0	Right Occipital	3/0.99	20
18	57	F	Headache	Proton Beam	1.8	Left Precentral Gyrus	2/1.27	16
19	28	M	Seizure	N	4	Right Precentral Gyrus	2/1.71	15
20	47	M	Seizure	N	4	Right Temporal	4/2.14	15
21	52	M	Seizure	N	1.5	Right Parietal	2/1.06	18
22	26	F	Hemorrhage	Embolization	1.5	Left Pericallosal	3/0.59	20

^*Treatment dose given at the 50% isodose line. RBAS: Modified Radiosurgery Based AVM Grading Scale; SM: Spetzler-Martin; GKR: Gamma Knife Radiosurgery Gy: Gray