Stereotactic Radiosurgery with Neoadjuvant Embolization of Larger Arteriovenous Malformations: An Institutional Experience

Table 4

	Total (%)	No. w/residual AVM (%)		No. w/100% obliteration (%)		𝑃 value
Sex, 𝑛 (%)						0.396
M	41	21	51.20%	20	48.80%
F	54	36	66.70%	18	33.30%
Age, 𝑛 (%)						0.795
0–21	18	10	55.60%	8	44.40%
22–40 yrs	32	21	65.60%	11	34.40%
40–50 yrs	22	14	63.60%	8	36.40%
50+	23	12	52.20%	11	47.80%
Location						0.252
Frontal	19	14	73.70%	5	26.30%
Temporal	24	13	54.20%	11	45.80%
Parietal	26	12	46.20%	14	53.80%
Occipital	9	7	87.80%	2	22.20%
Cerebellum	8	4	50%	4	50%
Thalamus, brainstem	9	7	87.80%	2	22.20%
Size, 𝑛 (%)						0.022
Medium (3–6 cm)	80	44	55%	36	45%
Large (>6 cm)	15	13	86.70%	2	13.30%
Venous drainage, 𝑛 (%)						<0.001
Superficial	44	18	40.90%	26	59.10%
Deep	51	39	76.50%	12	23.50%
Smoker? 𝑛 (%)						0.664
Y	35	20	57.10%	15	42.90%
N	60	37	61.70%	23	38.30%
Hypertension? 𝑛 (%)						0.669
Y	18	11	61.10%	7	38.90%
N	77	46	59.70%	31	40.30%