Question · asked by 1 review

Levetiracetam vs phenobarbital: 50% or greater reduction in seizure frequency

It is very uncertain whether levetiracetam changes reduction in seizure frequency of 50% or more compared with phenobarbital (very low certainty).

What each review found

Include earlier review versions
FindingEffectStudiesGRADE certainty
Levetiracetam vs phenobarbital
Reduction in seizure frequency of 50% or more · patients with AD and epileptic seizures
It is very uncertain whether levetiracetam changes reduction in seizure frequency of 50% or more compared with phenobarbital (very low certainty).
Treatment of epilepsy for people with Alzheimer's disease (2021) · Cochrane Headline outcomes only
RR 1.11 [0.78, 1.56]1 study · 66 participantsVery low

Findings are shown side by side, never pooled across reviews.

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Treatment of epilepsy for people with Alzheimer's disease
2021 · Cochrane Headline outcomes only
Not reportedlist not extracted yetNot assessed

Studies behind the findings

None of these reviews ties its included studies to this outcome in the data here. Cochrane reviews and reviews with headline outcomes only do not list their studies yet.

How reviews are matched to this question

Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.