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Trajectory of L5-pSNL on paw withdrawal threshold (PWT) over time. The trajectory of the PWT recovery is nonlinear with a significant difference for the change trajectories between the sham and pSNL groups (p < 0.0001). Both sham and pSNL groups have a PWT that is not different at baseline. After the pSNL there is an immediate decrease in PWT (*, p<0.001). The difference in PWT persists through 13 weeks after the injury.
