Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,543 questions · 2,589 findings · 168 reviews · Schizophrenia

No studies found 601 · 23.2%GRADE not reported 446 · 17.2%Very low 721 · 27.8%Low 505 · 19.5%Moderate 274 · 10.6%High 42 · 1.6%

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

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 supportive therapy + placebo (very low certainty).

1 finding from 1 review

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

Adverse effects: specific ‐ doctors' assessment of adverse effects UKU (events) Medium‐term · people in the prodromal stage of psychosis

It is very uncertain whether group C cognitive behavioural therapy: cognitive behavioural therapy… changes adverse effects: doctors' assessment of adverse effects UKU (events)… compared with supportive therapy + placebo (very low certainty).

1 finding from 1 review

Group A: amino acids vs placebo

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

It is very uncertain whether group A: amino acids changes satisfaction with treatment: leaving the study early Endpoint data… compared with placebo (very low certainty).

1 finding from 1 review

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

Cognitive training vs active control

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

It is very uncertain whether group C other: cognitive training changes satisfaction with treatment: leaving the study early Endpoint data… compared with active control (tablet games) (very low certainty).

1 finding from 1 review

Group C other: family treatment vs enhanced care

Prodromal symptoms: transition to psychosis FACT Long‐term · people in the prodromal stage of psychosis

It is very uncertain whether group C other: family treatment changes prodromal symptoms: transition to psychosis FACT Long‐term compared with enhanced care (very low certainty).

1 finding from 1 review

Group C other: family treatment vs enhanced care

Global state: antipsychotic prescriptions (events) · people in the prodromal stage of psychosis

It is very uncertain whether group C other: family treatment changes global state: antipsychotic prescriptions (events) compared with enhanced care (very low certainty).

1 finding from 1 review

Omega‐3 vs placebo

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

Group A: omega‐3 fatty acids may leads to lower prodromal symptoms: transition to psychosis Long‐term (events) compared with placebo (low certainty).

1 finding from 1 review