Table 3.

Angiographic outcome for the overall cohort and the 3 treatment groups

	Overall (n=69)	Clipping (n=37)	Coiling (n=17)	Stent-assisted coiling (n=15)	P-value
Follow-up period (mo)	12.0±8.9	10.9±9.1	13.4±9.2	13.0±8.1	0.584
Occlusion classification					<0.001
RROC=1	56 (81.2)	37 (100)*,†	8 (47.1)*	11 (73.3)†
RROC=2	9 (13.0)	0 (0)*	7 (41.2)*	2 (13.3)
RROC=3	4 (5.8)	0 (0)	2 (11.8)	2 (13.3)
Retreatment	0 (0)	0 (0)	4 (23.6)	1 (6.6)

Data are presented as means±standard deviation or number (%).

RROC, Raymond–Roy occlusion classification.

^*Indicates a significant difference between clipping and coiling.

^†Indicates a significant difference between clipping and stent-assisted coiling.