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. Author manuscript; available in PMC: 2022 May 1.
Published in final edited form as: Pain. 2020 Nov 11:10.1097/j.pain.0000000000002144. doi: 10.1097/j.pain.0000000000002144

Figure 1.

Figure 1

A. Study Protocol showing the time-course for collections. Reproduced from [17]. B. Consort Diagram for the data used in the current study. The training data set to determine predictors used the active-TENS group with an intention-to-treat analysis with response to TENS data from Visit 3 (n=103). The validation data set used the placebo-TENS and No-TENS groups who completed Visit 4 (n=155). These two groups received active-TENS for 1-month starting at Visit 3 and continuing to Visit 4.

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