Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,024 questions · 3,338 findings · 330 reviews

No studies found 735 · 22%GRADE not reported 282 · 8.4%Very low 962 · 28.8%Low 870 · 26.1%Moderate 384 · 11.5%High 105 · 3.1%

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

Specialised early intervention (SEI) vs treatment

Recovered · recent‐onset psychosis (less than three years since the start of psychotic symptoms and either first or second psychotic episode)

Specialised early intervention (SEI) may leads to higher global state: recovery (assessed by proportion recovered, as defined… compared with treatment (low certainty).

1 finding from 1 review

Specialised early intervention (SEI) vs treatment

Service use: disengagement from services (assessed by proportion disengaged, as defined by the study, at end of treatment) · recent‐onset psychosis (less than three years since the start of psychotic symptoms and either first or second psychotic episode)

Specialised early intervention (SEI) probably leads to lower service use: disengagement from services (assessed by proportion… compared with treatment (moderate certainty).

1 finding from 1 review

Specialised early intervention (SEI) vs treatment

Service use: admission to psychiatric hospital (assessed by proportion admitted at end of treatment) · recent‐onset psychosis (less than three years since the start of psychotic symptoms and either first or second psychotic episode)

Specialised early intervention (SEI) showed no clear difference in service use: admission to psychiatric hospital (assessed by… compared with treatment (low certainty).

1 finding from 1 review

Specialised early intervention (SEI) vs treatment

Mental state: 1b.Average end point score on various outcomes‐PANSS (medium‐term) ‐ Medium term ‐ PANSS general psychopathology end point score (low = favourable) · recent‐onset psychosis (less than three years since the start of psychotic symptoms and either first or second psychotic episode)
1 finding from 1 review

Specialised early intervention (SEI) vs treatment

Death: all‐cause mortality (assessed by proportion deceased at end of treatment) · recent‐onset psychosis (less than three years since the start of psychotic symptoms and either first or second psychotic episode)

Specialised early intervention (SEI) showed no clear difference in death: all‐cause mortality (assessed by proportion deceased at end… compared with treatment (low certainty).

1 finding from 1 review

Any early psychological intervention vs inactive control (usual care care, attention control, waitlist)

Diagnosis of PTSD after treatment · various

It is very uncertain whether any early psychological intervention changes PTSD diagnosis: post‐treatment compared with waiting list/usual care (very low certainty).

1 finding from 1 review

Any early psychological intervention vs inactive control (usual care care, attention control, waitlist)

PTSD diagnosis · various

Any early psychological intervention may leads to lower PTSD diagnosis: 3–6 months compared with waiting list/usual care (low certainty).

2 findings from 1 review