Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

286 questions · 318 findings · 37 reviews · Developmental, Psychosocial and Learning Problems

No studies found 53 · 16.7%GRADE not reported 19 · 6%Very low 84 · 26.4%Low 96 · 30.2%Moderate 60 · 18.9%High 6 · 1.9%

Music therapy vs placebo or usual care

Global improvement · Individuals with autism spectrum disorder

Music therapy probably leads to higher global improvement compared with placebo therapy or standard care (moderate certainty).

1 finding from 1 review

Music therapy vs placebo or usual care

Autism symptom severity Measured by: parent‐reported autism symptoms on standardised autism screening and diagnostic instruments (lower scores indicate less severe autism symptoms) · Individuals with autism spectrum disorder
1 finding from 1 review

Music therapy vs placebo or usual care

Adverse events Any serious or non‐serious adverse event · Individuals with autism spectrum disorder

Music therapy showed no clear difference in adverse events Any serious or non‐serious adverse event compared with placebo therapy or standard care (moderate certainty).

1 finding from 1 review

Vitamin A vs placebo or usual care

Diarrhoea incidence Mean episodes per child per year · children aged between 6 months and 5 years

Vitamin A supplementation may leads to lower diarrhoea incidence Mean episodes per child per year compared with placebo or usual care (low certainty).

1 finding from 1 review