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. Author manuscript; available in PMC: 2019 Apr 1.
Published in final edited form as: Neuromodulation. 2017 Nov 22;21(3):290–295. doi: 10.1111/ner.12726

Figure 2.

Figure 2

Worst Pain in the Last 7 Days, BPI-SF3. Time T to 0 represents the trial stage, which consisted of a 3-week, blinded sham introductory period and a 3-week active stimulation period. The shaded area represents the 95% confidence intervals.