Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

328 questions · 328 findings · 22 reviews · Consumers and Communication

No studies found 126 · 38.4%GRADE not reported 3 · 0.9%Very low 68 · 20.7%Low 92 · 28%Moderate 39 · 11.9%High 0 · 0%

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

Voice‐enabling communication aid vs usual care with an aid

Proportion able to communicate · adults requiring an artificial airway with or without mechanical ventilator support

It is very uncertain whether voice‐enabling communication aid changes proportion able to communicate compared with usual care with an aid (very low certainty).

1 finding from 1 review