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. Author manuscript; available in PMC: 2017 Feb 28.
Published in final edited form as: J Biomech. 2016 Jan 14;49(4):550–557. doi: 10.1016/j.jbiomech.2016.01.007

Fig. 3.

Fig. 3

Mechanical parameters for all samples were evaluated for correlation with degeneration measured by nucleus pulposus (NP) T2 relaxation time and with specimen age. A lower T2 time represents a more degenerate disc. (A; D) Fixed charge density increases with degeneration (r = −0.36, p<0.05) and does not change with age (r = 0.24, p > 0.05) while (B; E) permeability decreases with degeneration (r = 0.44, p<0.05) and age (r = −0.39 , p < 0.05). (C; F) Modulus was not correlated with degeneration or age (p>0.05).