Table 2.

Best-fit values of parameters in the four fiber family constitutive model for ApoE-/-carotids under biaxial testing with and without subcutaneous Ang-II infusion. Overall mean and standard deviations (SD) are shown for convenience.

	Elastin	Axial		Circumferential		Diagonal		Angle	Error
Vessel #	c (kPa)	$c_1^1$(kPa)	$c_2^1$	$c_1^2$(kPa)	$c_2^2$	$c_1^{3,4}$(kPa)	$c_2^{3,4}$	α0 (deg)	RMSE
Untreated
1	5.5020	21.4296	0.0208	0.9864	0.1320	0.0167	1.5081	33.7366	0.0931
2	11.3565	14.1724	2.3373E-14	2.7786	0.1702	0.0466	0.8617	37.3644	0.0805
3	14.6571	8.3214	0.0426	3.0781	0.2374	0.0506	1.0928	39.1308	0.0871
4	6.3036	27.7971	0.0181	2.4119	0.0419	0.0033	1.4915	35.1041	0.0685
5	12.6621	36.5033	2.3373E-14	1.7661	0.2347	0.0345	2.1888	33.9564	0.0822
Mean	10.0963	21.6448	0.0163	2.2042	0.1632	0.0303	1.4286	35.8585	0.0823
SD	4.0145	11.0908	0.0177	0.8384	0.0812	0.0200	0.5055	2.3273	0.0091
Ang-II without AAA
1	12.0034	26.9620	2.4255E-14	5.1186	0.1164	0.0638	1.6385	31.2237	0.0480
2	11.1767	13.0610	0.0360	3.6163	0.2065	0.0995	0.8370	35.9730	0.0752
3	16.7034	33.1134	2.3374E-14	3.3684	0.2675	0.1953	1.4662	33.4048	0.0656
4	9.2451	30.8792	0.0741	5.1867	0.1152	0.1668	2.0022	31.3870	0.0578
5	4.5750	18.4120	0.0148	3.8433	0.0352	0.0332	1.0504	30.2029	0.0633
Mean	10.7407	24.4855	0.0250	4.2266	0.1482	0.1117	1.3989	32.4383	0.0620
SD	4.4043	8.4979	0.0312	0.8622	0.0902	0.0682	0.4645	2.2916	0.0100
Ang-II with AAA
1	9.7500	59.4100	2.3373E-14	2.6373	0.0901	0.9297	1.4589	27.0323	0.0601
2	6.1742	25.9761	2.3373E-14	3.5448	0.0248	0.0214	0.8957	31.2585	0.0566
3	9.1999	17.7373	0.0116	2.8118	0.1023	0.0225	1.3295	35.8973	0.0582
4	6.6558	33.5882	0.0144	5.6927	0.0406	0.0549	3.2970	24.1951	0.0523
Mean	7.9450	34.1779	0.0065	3.6717	0.0644	0.2571	1.7453	29.5958	0.0568
SD	1.7917	18.0238	0.0076	1.4036	0.0376	0.4486	1.0622	5.1059	0.0033