Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,815 questions · 6,211 findings · 638 reviews · Headline outcomes only

No studies found 1,052 · 16.9%GRADE not reported 441 · 7.1%Very low 1,700 · 27.4%Low 1,651 · 26.6%Moderate 1,070 · 17.2%High 297 · 4.8%

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Methylphenidate vs placebo

ADHD symptom‐related behavior Measured by standardized rating scales: Conners' Abbreviated Teacher Rating Scale, Conners' Abbreviated Parent Rating Scale, IOWA Conners' Teacher Rating Scale, Conners' Continuous Performance Task, Child Behaviour Ch... · children with ADHD and comorbid tic disorders
1 finding from 1 review

Metabolomics vs non metabolomics

Clinical pregnancy (Presence of a fetal heart on ultrasound scan at seven weeks of gestation) · Women undergoing IVF/ICSI cycles

Metabolomics showed no clear difference in clinical pregnancy (Presence of a fetal heart on ultrasound scan at… compared with non metabolomics (low certainty).

1 finding from 1 review