Question · asked by 1 review

tDCS vs placebo: Serious adverse events

Population
adults with PPPD
Intervention
tDCS
Comparison
placebo
Outcome
Serious adverse events

What each review found

Include earlier review versions
FindingEffectStudiesGRADE certainty
Transcranial direct current stimulation vs placebo
Serious adverse events · adults with PPPD
Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) (2023) · Cochrane Headline outcomes only
no estimate extracted1 study · 21 participantsVery low

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

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD)
2023 · Cochrane Headline outcomes only
Not reportedNot extractedNot assessed
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.