Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

436 questions · 451 findings · 96 reviews · Headline outcomes only

No studies found 31 · 6.9%GRADE not reported 17 · 3.8%Very low 149 · 33%Low 130 · 28.8%Moderate 103 · 22.8%High 21 · 4.7%

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

Intervention not reported

Specific communication techniques 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

The intervention may leads to lower specific communication techniques Different scales used by different… (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

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

MST vs ECT ‐ cognitive function ‐ immediate memory (high = better; short term) · patients with schizophrenia
1 finding from 1 review

Mindfulness vs no treatment or waiting list

Mental health and well‐being: stress or stress perceptionMeasured by: investigators measured stress or stress perception using different instruments; lower scores mean lower stress or stress perception Timing of outcome assessment: post‐intervention
1 finding from 1 review

Alarm vs other types of alarm

Proportion of children achieving 14 consecutive dry nights by the end of treatment · children with nocturnal enuresis

It is very uncertain whether alarm changes proportion of children achieving 14 consecutive dry nights by the… compared with other types of alarm (very low certainty).

1 finding from 1 review

Etilefrine vs placebo

Immediate side effects of treatment (palpitations) · men and boys with SCD and stuttering priapism

It is very uncertain whether etilefrine changes immediate side effects of treatment (palpitations) compared with placebo (very low certainty).

1 finding from 1 review

Etilefrine vs placebo

Immediate side effects of treatment (tachycardia) · men and boys with SCD and stuttering priapism

It is very uncertain whether etilefrine changes immediate side effects of treatment (tachycardia) compared with placebo (very low certainty).

1 finding from 1 review

Ephedrine vs placebo

Immediate side effects of treatment with 30 mg ephedrine (palpitations) · men and boys with SCD and stuttering priapism

It is very uncertain whether ephedrine changes immediate side effects of treatment with 30 mg ephedrine… compared with placebo (very low certainty).

1 finding from 1 review

Ephedrine vs placebo

Immediate side effects of treatment (tachycardia) · men and boys with SCD and stuttering priapism

It is very uncertain whether ephedrine changes immediate side effects of treatment with 30 mg ephedrine (tachycardia) compared with placebo (very low certainty).

1 finding from 1 review