. Author manuscript; available in PMC: 2012 Jan 1.

Published in final edited form as: Ann Biomed Eng. 2010 Sep 18;39(1):249–259. doi: 10.1007/s10439-010-0165-5

TABLE 2.

Mean ± standard deviation, p-values, and AUC for all geometric indices for groups U (unruptured) and R (ruptured).

Index	Group U	Group R	p-Value	AUC
3D size indices
V (cm³)	100.32 ± 52.81	421.57 ± 192.40	<0.0001	0.97
S (cm²)	64.33 ± 28.25	154.93 ± 50.61	<0.0001	0.95
V_ILT (cm³)	20.06 ± 7.63	226.90 ± 168.90	0.001	0.97
3D shape indices (non-dimensional)
NFI	0.62 ± 0.08	0.58 ± 0.04	0.167	0.69
IPR	3.04 ± 0.33	2.83 ± 0.15	0.095	0.725
Second-order curvature-based indices
GAA (mm⁻¹)	0.00133 ± 0.00003	0.00119 ± 0.00011	0.002	0.95
MAA (mm⁻¹)	0.01338 ± 0.00084	0.01391 ± 0.00070	0.162	0.69
GLN (non-dim)	1.47 ± 0.64	3.26 ± 1.08	<0.0001	0.94
MLN (non-dim)	0.1215 ± 0.0290	0.1963 ± 0.0344	<0.0001	0.955
Wall thickness index (mm)
t_w,ave	1.45 ± 0.26	1.82 ± 0.16	0.002	0.88