Table 2.
Young’s modulus E (MPa), compressive modulus HA0 (MPa), permeabilities kr, k0 and ka (e-15m4/Ns) presented as mean ± SD for all groups (n=15 per group)
| E | kr | HA0 | k0 | ka | |
|---|---|---|---|---|---|
|
Nucleus pulposus | |||||
|
In-situ |
0.019±0.017 |
32±27 |
0.12±0.08 |
15±17 |
10±2 |
|
Dig 6h |
0.008±0.007 |
74±40 |
0.04±0.04 |
31±15 |
13±3 |
|
Dig 18h |
0.012±0.015 |
111±154 |
0.03±0.03 |
26±19 |
14±2 |
|
Dig 24h |
0.007±0.008 |
218±210 |
0.02±0.01 |
40±22 |
16±3 |
|
Annulus fibrosus | |||||
|
In-situ |
0.035±0.030 |
11±8 |
0.22±0.17 |
20±27 |
8±4 |
|
Dig 6h |
0.029±0.019 |
12±17 |
0.09±0.06 |
11±16 |
7±2 |
|
Dig 18h |
0.023±0.018 |
21±16 |
0.04±0.03 |
37±28 |
7±2 |
| Dig 24h | 0.012±0.013 | 59±58 | 0.07±0.06 | 9±8 | 9±2 |