Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

513 questions · 543 findings · 92 reviews · Headline outcomes only

No studies found 101 · 18.6%GRADE not reported 29 · 5.3%Very low 151 · 27.8%Low 150 · 27.6%Moderate 92 · 16.9%High 20 · 3.7%

Paradoxical intention therapy vs diazepam

Reduction in physical signs (number of patients without any conversive attacks in last 2 weeks) End of treatment · people with conversion disorder according to DSM‐IV or ICD‐10 criteria

It is very uncertain whether paradoxical intention therapy changes reduction in physical signs (number of patients without any… compared with diazepam (very low certainty).

1 finding from 1 review

Cognitive behavioural therapy as vs standard‐of‐care therapy

Reduction in physical signs Decrease in seizure frequency End of treatment · people with conversion disorder according to DSM‐IV or ICD‐10 criteria

It is very uncertain whether cognitive behavioural therapy as changes reduction in physical signs Reduction in monthly seizure frequency… compared with standard medical care (very low certainty).

2 findings from 1 review

Cognitive behavioural therapy as vs standard‐of‐care therapy

Reduction in physical sign Seizure freedom as assessed by a daily self‐reported seizure diary End of treatment · people with conversion disorder according to DSM‐IV or ICD‐10 criteria

It is very uncertain whether cognitive behavioural therapy as changes reduction in physical sign Seizure freedom as assessed by a daily… compared with standard medical care (very low certainty).

1 finding from 1 review

Brief psychotherapeutic intervention vs usual care

Reduction in physical signs As assessed by SDQ‐20 (lower is better) · people with conversion disorder according to DSM‐IV or ICD‐10 criteria

It is very uncertain whether brief psychotherapeutic intervention changes reduction in physical signs As assessed by SDQ‐20 (lower is better) compared with standard care (very low certainty).

1 finding from 1 review

Hypnosis vs diazepam

Reduction in physical signs Number with symptom freedom End of treatment · people with conversion disorder according to DSM‐IV or ICD‐10 criteria

It is very uncertain whether hypnosis changes reduction in physical signs Number with symptom freedom End of… compared with diazepam (very low certainty).

1 finding from 1 review

Cognitive behaviour therapy + treatment‐as‐usual vs usual care

Physical aggression · adults with antisocial personality disorder

Cognitive behaviour therapy + treatment‐as‐usual showed no clear difference in aggression (any act of physical aggression) Assessed by: number… compared with treatment‐as‐usual alone (low certainty).

1 finding from 1 review