Pain Management Following Total Hip Arthroplasty With Percutaneous Auricular Stimulation (Neuromodulation): A Randomized, Double-Masked, Sham-Controlled Pilot Study.

Additionally, the marginal lower opioid consumption and Brief Pain Inventory scores of the active treatment group in the present study may have failed to reach statistical significance due to the limited power of this pilot study.

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The differences between the two treatment groups did not reach statistical significance for any of the secondary outcome measures, including daily average and worst (maximum) pain (Figure 3 ) and physical and emotional interference due to pain as measured using the Brief Pain Inventory (Figure 4 ).

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