Vortex Analysis of Intra-Aneurismal Flow in Cerebral Aneurysms

Table 2

Pearson’s linear correlation between geometrical parameters of IAs and characteristics of their vortex structures.

	⁢Terminal aneurysm		⁢Sidewall aneurysm		⁢Combined data
	Correlation coefficient	value	Correlation coefficient	value	Correlation coefficient	value
Mean number of vortex cores versus
Aneurysm volume	0.14	0.82	0.99	<0.001	0.81	0.004
Ostium area	0.15	0.81	0.82	0.086	0.62	0.055
Ostium circumference	0.12	0.84	0.77	0.12	0.56	0.092
Aneurysm height	0.73	0.16	0.91	0.034	0.83	0.003
Aspect ratio	0.60	0.29	0.66	0.23	0.62	0.058
Volume/ostium	0.23	0.71	0.99	<0.001	0.83	0.003
Mean DVO versus
Aneurysm volume	−0.52	0.37	−0.42	0.49	−0.42	0.23
Ostium area	−0.43	0.47	−0.69	0.20	−0.63	0.049
Ostium circumference	−0.42	0.49	−0.74	0.15	−0.64	0.046
Aneurysm height	0.036	0.95	−0.20	0.75	−0.23	0.53
Aspect ratio	0.44	0.46	0.42	0.48	0.42	0.22
Volume/ostium	−0.64	0.25	−0.35	0.56	−0.37	0.29