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What do systematic reviews say?

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Evidence found and GRADE certainty

536 questions · 579 findings · 94 reviews

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No studies found 151 · 26.1%GRADE not reported 52 · 9%Very low 182 · 31.4%Low 120 · 20.7%Moderate 52 · 9%High 22 · 3.8%

MET plus any intervention vs the intervention alone

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · patients with non‐specific low‐back pain (LBP)
2 findings from 1 review

MET plus any intervention vs the intervention alone

General well‐being · patients with non‐specific low‐back pain (LBP)

The review found no eligible studies for this question.

2 findings from 1 review

MET plus any intervention vs the intervention alone

Adverse events · patients with non‐specific low‐back pain (LBP)

The review found no eligible studies for this question.

2 findings from 1 review

MET plus any intervention vs the intervention alone

CI: Confidence interval · patients with non‐specific low‐back pain (LBP)

The review found no eligible studies for this question.

2 findings from 1 review

Active stimulation + other intervention vs other intervention alone

Pain intensity VAS (0 to 100; 0 = no pain, 100 = worst pain) · adults with chronic pain
3 findings from 1 review

Active stimulation + other intervention vs other intervention alone

Participant‐reported pain relief of 50% or greater · adults with chronic pain

It is very uncertain whether active stimulation + other intervention changes pain intensity. Proportion with ≥ 50% pain relief. compared with other intervention alone (very low certainty).

1 finding from 1 review

Active stimulation + other intervention vs other intervention alone

Adverse event: lead failure/ displacement · adults with chronic pain

The review found no eligible studies for this question.

3 findings from 1 review

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

Physical ergonomic intervention vs no intervention

Self‐reported complaints of MSD pain in thighs (Nordic musculoskeletal questionnaire) · Dentists

It is very uncertain whether physical ergonomic intervention changes self‐reported complaints of MSD pain in thighs (Nordic… compared with no intervention (very low certainty).

1 finding from 1 review

Physical ergonomic intervention vs no intervention

Self‐reported complaints of MSD pain in feet (Nordic musculoskeletal questionnaire) · Dentists

It is very uncertain whether physical ergonomic intervention changes self‐reported complaints of MSD pain in feet (Nordic musculoskeletal… compared with no intervention (very low certainty).

1 finding from 1 review