Aneurysm dimensions and results of endovascular treatments

Groups	Aneurysm Parameters				Coil Volume (mm³)	Packing Density (%)	Median Scores
Groups	Long Axis (mm)	Short Axis (mm)	Neck (mm)	Volume (mm³)	Coil Volume (mm³)	Packing Density (%)	Initial	3 Months	Neointima
Coils only (n = 6)	15.2 ± 1.0	7.3 ± 0.5	7.5 ± 0.8	655 ± 62	170 ± 49	25.9 ± 6.2	1	2	2
1 stent + coils (n = 5)	17.2 ± 2.8	8.0 ± 2.0	8.8 ± 1.9	991 ± 603	136 ± 43	16.9 ± 7.7	0^{^a}	0^{^a}	2
2 stents + coils (n = 5)	13.6 ± 3.6	7.0 ± 0.7	6.6 ± 1.1	548 ± 312	115 ± 30	24.0 ± 7.7	1	1	2
2 stents (n = 4)	16.8 ± 1.0	6.8 ± 0.1	8.5 ± 0.6	699 ± 140			2	3	4^{^b}
Controls (n = 4)	16.0 ± 5.5	10.8 ± 1.3	8.4 ± 1.0	1053 ± 547			2	3

Note:—Values are reported as mean ± SD.
↵a Stent-assisted coiling led to more complete occlusions initially (P = .013) and at 3 months (P = .010) than coiling alone.
↵b Aneurysms treated with Y-stenting only had significantly worse neointimal results than all other groups (P = .023).