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. Author manuscript; available in PMC: 2018 Jun 15.
Published in final edited form as: Spine (Phila Pa 1976). 2017 Jun 15;42(12):E695–E701. doi: 10.1097/BRS.0000000000001934

Figure 4.

Figure 4

Correlations between the mean maximum principal strain (MPS) and the inhibitory and excitatory synapse density at day 14, as well as the paw withdrawal threshold (PWT) at each of day 1 and 14. The logarithmic regression fit with inhibitory synapse density at day 14 (p=0.0025), PWT at day 1 (p=0.0011), and PWT at day 14 (p=0.0002) are all significant. The coefficient of determination (R2) for those correlations shows a very good goodness of fit. Yet, excitatory synapse density at day 14 is not significantly correlated with MPS (p=0.19) and has a low R2.