Table 7.
Circumferential | Meridional | |||||
---|---|---|---|---|---|---|
|
|
|||||
Control | Enzyme-treated | p-value | Control | Enzyme-treated | p-value | |
Low-pressure stiffness [kPa] | 496.3 ± 251.6 | 187.2 ± 102.4 | <0.0001 | 953.0 ± 724.8 | 364.7 ± 590.2 | <0.005 |
High-pressure stiffness [kPa] | 6747.3 ± 2045.9 | 4673.5 ± 1677.6 | <0.0005 | 5595.2 ± 2604.4 | 4477.1 ± 2131.0 | 0.12 |
Transition strain [mm/mm] | 0.028 ± 0.012 | 0.048 ±0.017 | <0.0001 | 0.022 ± 0.016 | 0.046 ± 0.026 | <0.001 |
Hysteresis [kPa] | 0.18 ± 0.06 | 0.20 ± 0.06 | 0.31 | 0.18 ± 0.07 | 0.20 ± 0.08 | 0.47 |
Initial creep rate (first 80 s) [s−1 ] | 0.033 ± 0.020 | 0.037 ±0.019 | 0.47 | 0.033 ± 0.057 | 0.030 ± 0.028 | 0.86 |
Final creep rate (after 80 s) [s−1 ] | 0.062 ± 0.047 | 0.096 ±0.077 | 0.09 | 0.041 ± 0.058 | 0.11 ± 0.11 | <0.05 |