Question · asked by 1 review

TDF vs AZT: Drug resistance

Population
patients with initial ART
Intervention
TDF
Comparison
AZT
Outcome
Drug resistance

It is very uncertain whether TDF changes drug resistance compared with AZT (very low certainty).

What each review found

Include earlier review versions
FindingEffectStudiesGRADE certainty
TDF vs AZT
Drug resistance · patients with initial ART
It is very uncertain whether TDF changes drug resistance compared with AZT (very low certainty).
Tenofovir or zidovudine in three‐drug combination therapy with one nucleoside reverse transcriptase… (2010) · Cochrane Headline outcomes only
RR 20.43 [1.24, 335.9]1 study · 71 participantsVery low

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
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.