Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

134 questions · 135 findings · 18 reviews

No studies found 32 · 23.7%GRADE not reported 1 · 0.7%Very low 46 · 34.1%Low 36 · 26.7%Moderate 20 · 14.8%High 0 · 0%

Yoga vs control

Smoking cessation · people who smoke

It is very uncertain whether yoga changes yoga vs matched‐intensity smoking cessation treatment: smoking… compared with control (very low certainty).

1 finding from 1 review

Yoga vs sham yoga

Back‐specific functional status · patients with non‐specific chronic low back pain

The review found no eligible studies for this question.

1 finding from 1 review

Yoga vs sham yoga

Physical quality of life · patients with non‐specific chronic low back pain

The review found no eligible studies for this question.

1 finding from 1 review

Yoga vs sham yoga

Health‐related quality of life (mental) · patients with non‐specific chronic low back pain

The review found no eligible studies for this question.

1 finding from 1 review

Yoga vs no exercise

Clinical improvement Assessed as participant rating that back pain was improved or resolved. Improvement measured differently in each study · patients with non‐specific chronic low back pain

Yoga may leads to higher clinical improvement Assessed as participant rating that back pain… compared with non‐exercise (low certainty).

1 finding from 1 review

Yoga vs no exercise

Adverse events (1 participant withdrew due to increased back pain) · patients with non‐specific chronic low back pain

Yoga may leads to higher adverse events (1 participant withdrew due to increased back pain) compared with non‐exercise (low certainty).

1 finding from 1 review

Yoga vs exercise

Clinical improvement Assessed as participant rating that back pain was improved or resolved. Improvement measured differently in each study · patients with non‐specific chronic low back pain

It is very uncertain whether yoga changes clinical improvement Assessed as participant rating that back pain… compared with exercise (very low certainty).

1 finding from 1 review

Yoga vs exercise

Adverse events · patients with non‐specific chronic low back pain

Yoga showed no clear difference in adverse events compared with exercise (low certainty).

1 finding from 1 review