Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

625 questions · 659 findings · 70 reviews

No studies found 129 · 19.6%GRADE not reported 71 · 10.8%Very low 210 · 31.9%Low 170 · 25.8%Moderate 79 · 12%High 0 · 0%

Group C cognitive behavioural therapy: cognitive behavioural therapy + risperidone vs placebo or supportive treatment

Satisfaction with treatment: leaving the study early Endpoint data (events) · people in the prodromal stage of psychosis

It is very uncertain whether group C cognitive behavioural therapy: cognitive behavioural therapy… changes satisfaction with treatment: leaving the study early Endpoint data… compared with supportive therapy + placebo (very low certainty).

1 finding from 1 review

Group B cognitive behavioural therapy: cognitive behavioural therapy + supportive therapy vs supportive therapy

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 Long‐term (events) compared with supportive therapy (very low certainty).

1 finding from 1 review

Group B cognitive behavioural therapy: cognitive behavioural therapy + supportive therapy vs supportive therapy

Satisfaction and acceptability of treatment (medium term) ‐ leaving the study early · 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 Endpoint data… compared with supportive therapy (very low certainty).

1 finding from 1 review

Group C cognitive behavioural therapy: cognitive behavioural therapy + supportive intervention vs non‐directive reflective listening + supportive intervention

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

It is very uncertain whether group C cognitive behavioural therapy: cognitive behavioural therapy… changes prodromal symptoms: transition to psychosis Endpoint data (events) compared with non‐directive reflective listening + supportive intervention (very low certainty).

1 finding from 1 review

Group C cognitive behavioural therapy: cognitive behavioural therapy + supportive intervention vs non‐directive reflective listening + supportive intervention

Satisfaction with treatment: leaving the study early Endpoint data (events) · people in the prodromal stage of psychosis

It is very uncertain whether group C cognitive behavioural therapy: cognitive behavioural therapy… changes satisfaction with treatment: leaving the study early Endpoint data… compared with non‐directive reflective listening + supportive 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

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