Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

489 questions · 504 findings · 104 reviews

No studies found 32 · 6.3%GRADE not reported 63 · 12.5%Very low 152 · 30.2%Low 133 · 26.4%Moderate 103 · 20.4%High 21 · 4.2%

Visual interventions vs control

Neglect outcomes: immediate effects · spatial neglect or inattention following stroke and other adult‐acquired non‐progressive brain injury

It is very uncertain whether visual interventions changes neglect outcomes: immediate effects compared with any control (very low certainty).

1 finding from 1 review

Lay health worker‐ vs specialist‐led care

Caregiver burden · people with severe mental disorders

Lay health worker‐ showed no clear difference in caregiver burden symptom severity ‐ immediately post intervention… compared with specialist‐led care (low certainty).

1 finding from 1 review

Primary health professional‐led or collaborative care vs specialist‐led care

Clinical recovery from severe mental disorder (immediately post intervention) Defined by BPRS decreased by ≥ 80% (RR > 1 denotes greater likelihood of recovery) · people with severe mental disorders

It is very uncertain whether primary health professional‐led or collaborative care changes clinical recovery from severe mental disorder (immediately post… compared with specialist‐led care (very low certainty).

1 finding from 1 review

Primary health professional‐led or collaborative care vs specialist‐led care

Relapse of severe mental disorder (immediately post intervention) Defined by re‐appearance of symptoms or worsening of symptoms necessitating adjustment of medicationa; Li 2002; based on 1 item scoring ≥ 5 or 2 items scoring ≥ 4 in items 4, 7, 11,... · people with severe mental disorders

It is very uncertain whether primary health professional‐led or collaborative care changes relapse of severe mental disorder (immediately post intervention)… compared with specialist‐led care (very low certainty).

1 finding from 1 review

Intervention not reported

Overall communication skills Different scales used by different studies: total scores vary across communication items or average score on a Likert scale Based on assessments occurring immediately and up to 12 months after intervention delivery · pre‐registration medical students
1 finding from 1 review

Intervention not reported

Relationship building/rapport Different scales used by different studies: average empathy score across several items or average score on a Likert scale Based on assessments occurring immediately and up to 12 months after intervention delivery · pre‐registration medical students
1 finding from 1 review

Intervention not reported

Overall communication skills Different scales used across studies: total scores vary across communication items or average score on a Likert scale Based on assessments occurring immediately and up to 12 months after intervention delivery · pre‐registration medical students
1 finding from 1 review

Intervention not reported

Empathy Different scales used by different studies: average empathy score across several items or average score on a 5‐ to 9‐point Likert scale Based on assessments occurring immediately and up to 12 months after intervention delivery · pre‐registration medical students
1 finding from 1 review

Intervention not reported

Overall communication skills Different scales used by different studies: total scores vary across communication items or average score on a Likert scale Based on assessments occurring immediately and up to 12 months after intervention delivery · pre‐registration medical students
1 finding from 1 review

Intervention not reported

Relationship building/rapport Different scales used by different studies: average empathy score across several items or average score on a Likert scale Based on assessments occurring immediately and up to 12 months after intervention delivery · pre‐registration medical students
1 finding from 1 review

Intervention not reported

Information gathering about patient perspectives/concerns Different scales used by different studies, some dichotomous outcomes Based on assessments occurring immediately and up to 12 months after intervention delivery · pre‐registration medical students
1 finding from 1 review