Question · asked by 1 review

TDF vs AZT: Serious adverse events

Population
patients with initial ART
Intervention
TDF
Comparison
AZT
Outcome
Serious adverse events

TDF showed no clear difference in serious adverse events compared with AZT (high certainty).

What each review found

Include earlier review versions
FindingEffectStudiesGRADE certainty
TDF vs AZT
Serious adverse events · patients with initial ART
TDF showed no clear difference in serious adverse events compared with AZT (high certainty).
Tenofovir or zidovudine in three‐drug combination therapy with one nucleoside reverse transcriptase… (2010) · Cochrane Headline outcomes only
RR 0.92 [0.6, 1.43]2 studies · 586 participantsHigh

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

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Tenofovir or zidovudine in three‐drug combination therapy with one nucleoside reverse transcriptase inhibitor and one non‐nucleoside…
2010 · Cochrane Headline outcomes only
Not reportedNot extractedNot assessed

The same intervention and outcome, asked in another population or against another comparator.

  • TDF vs placebo · High‐risk individuals (including serodiscordant couples, men who have sex with men and… · 1 review
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.