Baseline characteristics and recurrence and retreatment rates: ruptured aneurysms of ≤10 mm

	Statin Group	Nonstatin Group	P Value
No.	16	116	–
Mean age (SD) (yr)	70.2 (9.0)	57.0 (11.7)	<.0001
No. (%) women	12 (75.0)	77 (66.4)	.58
No. (%) hypertension	10 (62.5)	61 (52.6)	.59
No. (%) diabetes	3 (18.8)	10 (8.6)	.20
No. (%) current smoker	3 (18.8)	41 (35.3)	.19
Aneurysm location
ICA (No.) (%)	6	41	.88
ACA/AcomA (No.) (%)	9	50
MCA (No.) (%)	0	7
VBA (No.) (%)	1	16
Other (No.) (%)	0	2
Mean size (SD) (mm)	5.4 (1.8)	5.6 (2.0)	.63
Initial occlusion
Complete	8 (5.0)	60 (51.7)	.51
Residual neck	6 (37.5)	50 (43.1)
Residual aneurysm	2 (12.5)	6 (5.2)
Balloon assistance	4 (25.0)	18 (15.5)	.31
Mean follow-up (months)	23.4 (14.4)	25.1 (25.4)	.59
No. (%) recurrence	1 (6.3)	42 (36.2)	.02
No. (%) retreatment	1 (6.3)	30 (25.9)	.08

Note:—ACA indicates anterior cerebral artery; AcomA, anterior communicating artery; VBA, vertebrobasilar arteries; –, no P value.