Table 4.

Treatment results.

	Pre-Onyx group	Onyx group	P-value
No. of patients	16	22
Number of embolized arteries
Mean ± SD	1.94 ± 0.33	2.27 ± 0.28	0.45
Median (range)	2 (1–3)	2 (1–4)
Number of embolization sessions
Mean ± SD	1.06 ± 0.069	1.09 ± 0.059	0.76
Median (range)	1 (1–2)	1 (1–2)
Embolization rate (%)
Mean ± SD	63.0 ± 5.20	50.0 ± 4.43	0.06
Median (range)	62.0 (12.7–100)	52.6 (15.8–100)
Complications of embolization
No. (%)	0 (0)	2 (9.1)	0.50
Operative time (minutes)
Mean ± SD	457.9 ± 50.4	354.8 ± 43.0	0.13
Median (range)	379 (240–1,294)	311 (144–884)
Intraoperative bleeding (ml)
Mean ± SD	448.8 ± 388.6	129.8 ± 117.0	0.0008
Median (range)	300 (120–1,550)	97 (20–540)
Total removal no. (%)	16 (100)	22 (100)	1.00
Surgical complication
No. (%)	3 (18.8)	1 (4.5)	0.29
Post-operative mRS score			1.00
0–2	11 (68.8)	15 (68.4)
3–5	5 (31.2)	7 (31.6)

SD, standard deviation; mRS, modified Rankin Scale.