Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

412 questions · 450 findings · 63 reviews · Headline outcomes only

No studies found 91 · 20.2%GRADE not reported 34 · 7.6%Very low 151 · 33.6%Low 113 · 25.1%Moderate 50 · 11.1%High 11 · 2.4%

Evidence‐based psychological interventions vs any comparator

Evidence‐based psychological interventions versus any comparator (Universal programmes) ‐ self‐rated depression scores (higher score is equivalent to a poorer outcome) · Children or adolescents
1 finding from 1 review

Group B cognitive behavioural therapy: cognitive behavioural therapy (specific preventive intervention) + needs‐based intervention + risperidone vs needs‐based intervention

Prodromal symptoms: transition to psychosis Endpoint data (events) · people in the prodromal stage of psychosis

It is very uncertain whether group B cognitive behavioural therapy: cognitive behavioural therapy… changes prodromal symptoms: transition to psychosis Endpoint data (events)… compared with needs‐based intervention (very low certainty).

1 finding from 1 review

Group B cognitive behavioural therapy: cognitive behavioural therapy (specific preventive intervention) + needs‐based intervention + risperidone vs needs‐based intervention

Satisfaction with treatment: 1. Leaving the study early ‐ long term · people in the prodromal stage of psychosis

It is very uncertain whether group B cognitive behavioural therapy: cognitive behavioural therapy… changes satisfaction with treatment: leaving the study early (events)… compared with needs‐based intervention (very low certainty).

1 finding from 1 review

Music‐based therapeutic interventions vs usual care or other activities

Behavioural problems: agitation or aggression · people with dementia (all resided in institutional settings)
2 findings from 1 review

Music‐based therapeutic interventions vs usual care or other activities

Behavioural problems: overall · people with dementia (all resided in institutional settings)
2 findings from 1 review