Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

115 questions · 123 findings · 31 reviews · Schizophrenia

No studies found 15 · 12.2%GRADE not reported 19 · 15.4%Very low 36 · 29.3%Low 23 · 18.7%Moderate 26 · 21.1%High 4 · 3.3%

Withdrawal of anticholinergic medication vs continuing anticholinergic medication

Leaving the study early · chronic schizophrenia patients with antipsychotic‐induced tardive dyskinesia

It is very uncertain whether withdrawal of anticholinergic medication changes acceptability of the treatment: leaving the study early compared with continuing anticholinergic medication (very low certainty).

1 finding from 1 review

Anticholinergic medication vs other treatments

Adverse effect: any adverse effects · chronic schizophrenia patients with antipsychotic‐induced tardive dyskinesia

It is very uncertain whether anticholinergic medication changes adverse effect: any adverse effects compared with other treatments (very low certainty).

1 finding from 1 review

Anticholinergic medication vs other treatments

Leaving the study early · chronic schizophrenia patients with antipsychotic‐induced tardive dyskinesia

It is very uncertain whether anticholinergic medication changes acceptability of the treatment: leaving the study early compared with other treatments (very low certainty).

1 finding from 1 review