Table 2:

Aneurysmal morphologic and FD-related parameters in the occluded and residual groups^{^a}

Parameter	Occluded	Residual	P Value
OsR	0.35 ± 0.02	0.58 ± 0.03	<.001^{^b}
NR	1.30 ± 0.07	1.74 ± 0.18	.02^{^b}
Size (mm)	5.6 ± 0.6	6.6 ± 1.1	.29
Neck diameter (mm)	4.67 ± 0.26	6.06 ± 0.62	.06
Aneurysm volume (mm³)	251.52 ± 105.48	502.75 ± 239.77	.35
AR	1.01 ± 0.08	1.12 ± 0.16	.53
SR	1.48 ± 0.19	2.00 ± 0.43	.27
UI	0.06 ± 0.01	0.07 ± 0.02	.77
NSI	0.23 ± 0.01	0.27 ± 0.03	.43
EI	0.21 ± 0.01	0.24 ± 0.02	.33
BF	1.26 ± 0.07	1.23 ± 0.08	.15
AA	89.39 ± 2.98	89.32 ± 2.63	.34
PVA	3.17 ± 4.14	4.61 ± 6.27	.84
MCR (%)	27.46 ± 0.51	26.93 ± 1.02	.64
PD (1/mm²)	28.35 ± 0.86	25.79 ± 1.7	.19

Note:—AA indicates aneurysm angle; AR, aspect ratio; BF, bottleneck factor; EI, ellipticity index; PD, pore density; PVA, parent vessel angle; SR, size ratio, UI, undulation index; NSI, nonsphericity index.
↵a Values expressed as average ± standard error.
↵b Significant difference.