Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,036 questions · 1,100 findings · 261 reviews

No studies found 160 · 14.5%GRADE not reported 188 · 17.1%Very low 270 · 24.5%Low 303 · 27.5%Moderate 139 · 12.6%High 40 · 3.6%

Azelaic acid vs clindamycin

Participants' global self‐assessment of acne improvement Good or very good improvement (long term: treatment duration > 8 weeks) · participants with acne

Azelaic acid showed no clear difference in participants' global self‐assessment of acne improvement Good or… compared with clindamycin (low certainty).

1 finding from 1 review

Resilience interventions vs control condition

Mental health and well‐being: stress or stress perceptionMeasured by: investigators measured stress or stress perception using different instruments; lower scores mean lower stress or stress perception Timing of outcome assessment: post‐intervention · healthcare workers
1 finding from 1 review

Intervention not reported

Participant‐rated global assessment of treatment success · adults aged ≥ 18 years with a diagnosis of glenohumeral osteoarthritis who have not responded to non‐operative treatments

The review found no eligible studies for this question.

1 finding from 1 review

Psychotherapy vs no treatment or waiting list

Attrition Timing of outcome assessment: end of treatment · patients with borderline personality disorder

It is very uncertain whether psychotherapy changes attrition Timing of outcome assessment: end of treatment compared with waiting list or no treatment (very low certainty).

1 finding from 1 review

Dialectical behavioural therapy or mentalisation‐based therapy vs usual care

Suicide‐related outcomes Timing of outcome assessment: end of treatment (6 to 12 weeks treatment duration) · patients with borderline personality disorder

Dialectical behavioural therapy or mentalisation‐based therapy may leads to lower suicide‐related outcomes Measured by: clinicians Timing of outcome… compared with treatment‐as‐usual (low certainty).

1 finding from 1 review