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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: J Mech Behav Biomed Mater. 2019 May 17;97:159–170. doi: 10.1016/j.jmbbm.2019.05.020

Table 1.

Average fiber distribution fit and constitutive model parameters for all testing groups.

ABP CBP FBP PPK PPN
Cf 0.836 ± 0.057 0.799 ± 0.099 0.802 ± 0.031 0.967 ± 0.016 0.986 ± 0.100
μ (°) −2.292 ± 19.869 −4.283 ± 33.617 12.752 ± 27.409 −10.535 ± 28.201 −6.010 ± 17.181
σ (°) 7.848 ± 4.692 6.983 ± 2.148 10.393 ± 1.873 4.285 ± 1.787 4.398 ± 5.286
R2 Gauss 0.805 ± 0.162 0.846 ± 0.130 0.809 ± 0.120 0.876 ± 0.069 0.845 ± 0.070
 
C10 (kPa) 578.050 ± 241.308 344.233 ± 227.035 169.041 ± 5698.410 5829.662 ± 5536.346 8449.809 ± 78.430
C01 10.379 ± 0.556 12.667 ± 2.625 10.996 ± 16.450 30.722 ± 11.581 28.349 ± 1.921
A (kPa) 24702.935 ± 11957.557 1930.649 ± 1607.324 3106.080 ± 3059.617 3925.525 ± 9121.353 12322.629 ± 3032.719
B 232.019 ± 147.962 243.955 ± 177.904 163.654 ± 414.046 432.224 ± 366.976 556.208 ± 124.883
R2 model 0.937 ± 0.033 0.907 ± 0.044 0.925 ± 0.039 0.932 ± 0.036 0.903 ± 0.057