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. 2019 Sep 9;20(1):75–87. doi: 10.1111/papr.12831

Figure 2.

Figure 2

A, The effects of tonic spinal cord stimulation (SCS) (n = 7), burst SCS (n = 5), and sham SCS (n = 4) on pain withdrawal thresholds (PWTs) based on sensitivity to von Frey filaments in experiment 1. B, The effects of tonic SCS (n = 10) and burst SCS (n = 10) on PWTs in experiment 2. C, The effect of tonic SCS (n = 17) and burst SCS (n = 15) on PWT pooled data from experiments 1 and 2. The dotted line represents the average PWT baseline prior to sciatic nerve ligation (^ P < 0.05 for burst SCS vs. tonic SCS; # P < 0.05 for burst SCS vs. baseline; *P < 0.05 for tonic SCS vs. baseline). MT, motor threshold; WT, withdrawal threshold.