. Author manuscript; available in PMC: 2019 Feb 25.

Published in final edited form as: World Neurosurg. 2017 Nov 24;110:e794–e805. doi: 10.1016/j.wneu.2017.11.093

Table 3.

Comparison of growing and stable regions in each of the growing IA cases. Stable and growing regions were compared based on the baseline normalized WSS and OSI.

	Region	Baseline Normalized WSS		Baseline OSI		Number of Points Analyzed
	Region	Mean ± SD	p-value	Mean ± SD	p-value	Number of Points Analyzed
Growing Case 1	Stable	2.91 ± 1.98	< 0.001	0.001 ± 0.001	< 0.001	1412
Growing Case 1	Growing	2.35 ± 2.27	< 0.001	0.007 ± 0.018	< 0.001	1412

Growing Case 2	Stable	0.39 ± 0.29	< 0.001	0.032 ± 0.044	< 0.001	2591
Growing Case 2	Growing	0.62 ± 0.48	< 0.001	0.020 ± 0.034	< 0.001	2591

Growing Case 3	Stable	1.23 ± 1.10	0.513	0.003 ± 0.009	< 0.001	880
Growing Case 3	Growing	1.17 ± 0.80	0.513	0.002 ± 0.004	< 0.001	880

Growing Case 4	Stable	0.67 ± 0.63	< 0.001	0.010 ± 0.016	< 0.001	1192
Growing Case 4	Growing	0.29 ± 0.16	< 0.001	0.017 ± 0.027	< 0.001	1192

Growing Case 5	Stable	0.60 ± 0.26	0.015	0.002 ± 0.001	< 0.001	8151
Growing Case 5	Growing	0.65 ± 0.51	0.015	0.003 ± 0.019	< 0.001	8151

Abbreviations: OSI, oscillatory shear index; WSS, wall shear stress