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Evidence found and GRADE certainty

4,811 questions · 70,850 findings · 5,139 reviews

No studies found 15,174 · 21.4%GRADE not reported 6,479 · 9.1%Very low 17,330 · 24.5%Low 17,814 · 25.1%Moderate 11,056 · 15.6%High 2,997 · 4.2%

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Methylphenidate vs placebo or no intervention

ADHD symptoms · Children and adolescents with ADHD

It is very uncertain whether methylphenidate changes ADHD symptoms: all parallel‐group trials and first‐period cross‐over… compared with placebo or no intervention (very low certainty).

1 finding from 1 review