Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

375 questions · 390 findings · 22 reviews · Pain, Palliative and Supportive Care

No studies found 117 · 30%GRADE not reported 36 · 9.2%Very low 111 · 28.5%Low 75 · 19.2%Moderate 48 · 12.3%High 3 · 0.8%

Active stimulation + other intervention vs other intervention alone

Adverse events: need for reoperation/ reimplantation · adults with chronic pain

The review found no eligible studies for this question.

2 findings from 1 review

Active stimulation + other intervention vs other intervention alone

Pain intensity (number of people with ≥ 50% improvement) · adults with chronic pain

Active stimulation + other intervention may leads to higher pain intensity. Proportion with ≥50% pain relief. compared with other intervention alone (low certainty).

2 findings from 1 review

Active stimulation vs Placebo (sham/placebo device)

Adverse events: infection · adults with chronic pain

The review found no eligible studies for this question.

2 findings from 1 review