Patient and AVM characteristics, treatment data, and anatomic outcome

Pt No.	Sex/Age	Presentation	AVM			Embolization		Radiosurgery		Outcome
			SM Grade (I–IV)	Size (cm)	Location	Sessions (n)	Onyx Volume (mL)	Delay* (month)	Volume Radiated (mL)
1	M/35	Hemorrhage	I	1.1 × 0.7	Parietal	1	0.25	6	0.6	CO
2	F/45	Asymptomatic	I	1.2 × 0.8	Temporal	1	0.45	12	0.5	CO
3	F/55	Hemorrhage	I	1.3 × 1.2	Frontal	1	1.0	16	0.6	RN
4	M/28	Hemorrhage	II	2.5 × 2.0	Frontal	4	0.65	8	1.2	CO
5	F/15	Asymptomatic	II	2.0 × 1.2	Temporal	4	2.65	36	0.9	Ongoing
6	F/12	SM deficit	II	2.0 × 1.3	Frontal	2	3.2	8	3.0	Ongoing
7	M/42	Hemianopsia	II	2.0 × 1.0	Frontal	3	3.35	6	0.9	CO
8	M/50	Asymptomatic	II	3.8 × 2.7	Temporal	5	5.0	7	2.9	RN
9	M/28	Epilepsy	II	4.2 × 2.5	Frontal	7	8.75	6	5.2	Ongoing
10	F/10	Epilepsy	II	3.2 × 1.5	Frontal	5	2.45	7	1.1	CO
11	F/39	Motor deficit	III	3.3 × 1.7	Frontal	2	1.7	5	7.8	CO
12	M/29	Epilepsy	III	3.9 × 2.7	Frontal	5	4.45	6	3.2	RN
13	F/26	Epilepsy	III	3.1 × 2.0	Frontal	5	5.95	8	0.7	RN
14	M/41	Hemorrhage	III	3.7 × 1.1	Corpus callosum	5	4.5	8	6.7	CO
15	M/25	Epilepsy	III	3.9 × 2.5	Temporal	8	12.8	8	4.9	RN
16	F/45	Hemorrhage	IV	3.4 × 1.9	Temporal	3	3.5	12	5.5	CO
17	M/23	Hemorrhage	IV	4.0 × 2.4	Frontal	3	5.2	6	7.9	RN
18	F/37	Epilepsy	IV	4.1 × 1.9	Frontal	5	6.5	6	5.3	CO
19	F/31	Hemorrhage	IV	3.2 × 2.3	Thalamus	4	3.3	1	2.9	RN
20	F/49	Hemorrhage	IV	3.9 × 2.8	Frontal	4	12.3	3	12.1	CO

Note:—F indicates female; M, male; SM Spetzler-Martin grade; CO, complete occlusion; RN, residual nidus.

^*Delay between embolization and radiosurgery.