Table 7:

Parameters for the four-fiber family constitutive model describing the response of the stiffest human TA in each of the 7 age groups along with risk factors in these subjects. Coefficient of determination R² ≥ 0.99 for all samples.

Four-fiber family model
Risk Factors	Cgr, kPa	${\mathit{C}}_{\mathbf{1}}^{\mathbf{1}}={\mathit{C}}_{\mathbf{1}}^{\mathbf{2}},\mathit{k}\mathit{P}\mathit{a}$	${\mathit{C}}_{\mathbf{2}}^{\mathbf{1}}={\mathit{C}}_{\mathbf{2}}^{\mathbf{2}}$	${\mathit{C}}_{\mathbf{1}}^{\mathbf{3}},\mathit{k}\mathit{P}\mathit{a}$	${\mathit{C}}_{\mathbf{2}}^{\mathbf{3}}$	${\mathit{C}}_{\mathbf{1}}^{\mathbf{4}},\mathit{k}\mathit{P}\mathit{a}$	${\mathit{C}}_{\mathbf{2}}^{\mathbf{4}}$	${\mathit{\gamma }}^{°}$
14y.o./ M/ BMI:22.1	28.08	21.23	0.35	36.71	0.00	7.17	0.00	37.07
23y.o./ M/ BMI:24.6/ 4pky	42.65	5.18	4.28	32.42	0.00	0.75	7.29	37.06
39y.o./ F/ BMI:40.2/ DM/ CAD/ 20pky	26.33	11.35	3.74	21.51	0.43	0.03	18.31	26.74
44y.o./ M/ BMI:33.2/ HTN	37.70	5.55	5.75	14.95	0.73	8.00	5.28	37.35
51y.o./ M/ BMI:29.1/ DM/ CAD/ 30pky	49.69	2.32	29.27	8.42	6.15	7.51	17.44	38.64
62y.o. / M/ BMI:47.3/ HTN/ DM/ Dys/ CAD	38.71	3.89	40.69	29.69	0.00	5.56	29.18	41.53
72y.o./ F/ BMI:20.5	29.13	21.52	75.85	39.08	20.29	45.98	40.29	43.27

y.o.: years old, M: male, F: female, BMI: body mass index, HTN: hypertension, DM: diabetes mellitus, CAD: coronary artery disease, Dys: Dyslipidemia, pky: pack-year history of cigarette smoking.