Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

169 questions · 181 findings · 18 reviews · Headline outcomes only

No studies found 44 · 24.3%GRADE not reported 5 · 2.8%Very low 52 · 28.7%Low 48 · 26.5%Moderate 30 · 16.6%High 2 · 1.1%

Intervention not reported

Global state: No clinically important overall improvement (as rated by individual trials) ‐ medium term ( · People with schizophrenia and schizophrenia‐like disorders

The intervention may leads to lower global state: No clinically important overall improvement (as rated… (low certainty).

1 finding from 1 review

Intervention not reported

Mental state: specific ‐ negative symptoms ‐ average endpoint score (SANS, high score = poor) medium term ( · People with schizophrenia and schizophrenia‐like disorders
1 finding from 1 review