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Table 1: Characteristics of 131 aneurysms according to modality of endovascular treatment
Aneurysms (n = 131) Fisher Exact Test, P Kruskal-Wallis U Test, P
Simple Coiling (n = 33) Balloon-Assisted Coiling (n = 79) Stent-Assisted Coiling (n = 19)
Side, left/right 14/19 37/42 8/11 .878 
42%/58% 47%/53% 42%/58% 
Aneurysm status, unruptured/ruptured 16/17 56/23 18/1 .002 
48%/52% 71%/29% 95%/5% 
Aneurysm size, mm 7.4 ± 3.8 5.9 ± 3.1 7.0 ± 4.1 .086
Neck size, mm 3.9 ± 1.4 4.1 ± 1.6 5.0 ± 1.8 .052
Wide neck ≥4 mm 16 41 13 .347 
51% 66% 84% 
Initial total angiographic occlusion 26 66 17 .569 
79% 85% 89% 
Total angiographic occlusion at follow-up 16 53 12 .180 
48% 67% 63% 
Follow-up, mo 13.3 ± 9.7 17.2 ± 12.4 17.1 ± 13.3 .539
Note:—Numbers in parentheses are n (%) of case procedures. Data are mean ± standard deviation.

	Aneurysms (n = 131)			Fisher Exact Test, P	Kruskal-Wallis U Test, P
	Simple Coiling (n = 33)	Balloon-Assisted Coiling (n = 79)	Stent-Assisted Coiling (n = 19)	Fisher Exact Test, P	Kruskal-Wallis U Test, P
Side, left/right	14/19	37/42	8/11	.878
Side, left/right	42%/58%	47%/53%	42%/58%
Aneurysm status, unruptured/ruptured	16/17	56/23	18/1	.002
Aneurysm status, unruptured/ruptured	48%/52%	71%/29%	95%/5%
Aneurysm size, mm	7.4 ± 3.8	5.9 ± 3.1	7.0 ± 4.1		.086
Neck size, mm	3.9 ± 1.4	4.1 ± 1.6	5.0 ± 1.8		.052
Wide neck ≥4 mm	16	41	13	.347
Wide neck ≥4 mm	51%	66%	84%
Initial total angiographic occlusion	26	66	17	.569
Initial total angiographic occlusion	79%	85%	89%
Total angiographic occlusion at follow-up	16	53	12	.180
Total angiographic occlusion at follow-up	48%	67%	63%
Follow-up, mo	13.3 ± 9.7	17.2 ± 12.4	17.1 ± 13.3		.539