Cochrane · systematic review · CD012069

Methylphenidate for attention deficit hyperactivity disorder (ADHD) in children and adolescents – assessment of adverse events in non‐randomised studies

Storebø, OJ, Pedersen, N, Ramstad, E, et al. · Cochrane Database of Systematic Reviews · 2018 · Cochrane Library

SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
9
current version
GRADE rated
7
No studies
2
Included studies
NR
No studies 2 · 22.2%Ungraded 0 · 0%Very low 7 · 77.8%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Methylphenidate for children and adolescents aged 18 years and under with attention deficit hyperactivity disorder (ADHD): adverse events

Population: children and adolescents aged 18 years and under diagnosed with ADHD
9 questions
OutcomeEffectEvidenceStatus / GRADE
Comparative studies
no estimate extractedNRNo studies
Serious adverse events Measured by: proportion of serious adverse events (total) Average study duration (range): not stated
RR 1.36 [1.17, 1.57]2 studies · 72005 participantsVery low
Downgraded: risk of bias
Non‐comparative studies
no estimate extractedNRNo studies
Serious adverse events Measured by: proportion of any serious adverse events Average study duration (range): 4.7 months (14 days to 21 months)
no estimate extracted51 studies · 162422 participantsVery low
Downgraded: risk of bias
Withdrawal of methylphenidate due to serious adverse events (non‐comparative cohort studies) Measured by: proportion of participants withdrawn from treatment Average study duration (range): 7.9 months (1 month to 37 months)
no estimate extracted7 studies · 1173 participantsVery low
Downgraded: risk of bias
Withdrawal of methylphenidate due to adverse events of unknown severity Measured by: proportion of participants withdrawn from treatment Average study duration (range): 4.6 months (21 days to 36 months)
no estimate extracted22 studies · 3708 participantsVery low
Downgraded: risk of bias
Non‐serious adverse events Measured by: proportion of any non‐serious adverse events Average study duration (range): 5.99 months (1 day to 41 months)
no estimate extracted49 studies · 13978 participantsVery low
Downgraded: risk of bias
Withdrawal of methylphenidate due to non‐serious adverse events Measured by: proportion of participants withdrawn from treatment Average study duration (range): 5.60 months (0.6 months to 41 months)
no estimate extracted37 studies · 7142 participantsVery low
Downgraded: risk of bias
Withdrawal of methylphenidate for unknown reasons Measure by: proportion of participants withdrawn from treatment Average study duration (range): 6.13 months (1 day to 36 months)
no estimate extracted57 studies · 8340 participantsVery low
Downgraded: risk of bias