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%

Vitamin A vs placebo or usual care

Measles incidence Mean episodes of measles per child per year · children aged between 6 months and 5 years

Vitamin A supplementation probably leads to lower measles incidence Mean episodes of measles per child per year compared with placebo or usual care (moderate certainty).

1 finding from 1 review

Extended‐release methylphenidate vs placebo

ADHD symptoms · adults with ADHD (available evidence for participants aged between 25 to 53 years old)
3 findings from 1 review

Mood stabilisers vs placebo

Self‐harm Measured by: clinicians Timing of outcome assessment: end of treatment · patients with borderline personality disorder

It is very uncertain whether mood stabilisers changes self‐harm Timing of outcome assessment: end of treatment (52 weeks… compared with placebo (very low certainty).

1 finding from 1 review