Table 1.
Material parameters estimated for all samples
| E0, kPa | E1, kPa | σ1.2, kPa | c1, kPa | c 2 | NRMSE | |
|---|---|---|---|---|---|---|
| Animal 1 | ||||||
| −PVAT | 101.05 | 249.22 | 30.05 | 35.71 | 2.66 | 0.042 |
| PVAT only | 1.10 | N/A | N/A | 0.58 | 5.30 | 0.069 |
| +PVAT | 39.99 | 85.26 | 12.22 | 13.73 | 3.51 | 0.034 |
| Animal 2 | ||||||
| −PVAT | 216.14 | 291.59 | 43.99 | 62.87 | 1.19 | 0.013 |
| PVAT only | 1.25 | N/A | N/A | 0.61 | 38.28 | 0.041 |
| +PVAT | 70.14 | 149.23 | 18.97 | 25.43 | 1.56 | 0.027 |
| Animal 3 | ||||||
| −PVAT | 26.53 | 177.58 | 17.22 | 13.40 | 5.84 | 0.060 |
| PVAT only | 1.54 | N/A | N/A | 5.16E-02 | 20.17 | 0.020 |
| +PVAT | 81.12 | 146.15 | 16.76 | 23.73 | 1.30 | 0.012 |
| Animal 4 | ||||||
| −PVAT | 231.18 | 325.37 | 52.50 | 78.80 | 0.85 | 0.013 |
| PVAT only | 0.89 | N/A | N/A | 2.53E-02 | 7.29 | 0.040 |
| +PVAT | 135.89 | 80.39 | 20.71 | 33.92 | 9.05E-10 | 0.033 |
| Animal 5 | ||||||
| −PVAT | 140.40 | 285.69 | 30.00 | 36.49 | 2.60 | 0.022 |
| PVAT only | 6.27E-03 | N/A | N/A | 1.64E-04 | 21.26 | 0.031 |
| +PVAT | 37.21 | 189.85 | 10.38 | 14.70 | 1.15 | 0.015 |
E0, low-stress stiffness; E1, high-stress stiffness; σ1.2, stress at a stretch of 1.2; c1, material parameter with units of stress; c2, material parameter contained in the exponents; NRMSE, normalized root-mean-square error; PVAT, perivascular adipose tissue; N/A, not applicable.