Cochrane · systematic review · CD012021

Needle syringe programmes and opioid substitution therapy for preventing hepatitis C transmission in people who inject drugs

Platt, L, Minozzi, S, Reed, J, et al. · Cochrane Database of Systematic Reviews · 2017 · Cochrane Library

Drugs and AlcoholAMSTAR 2: not assessed
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
3
current version
GRADE rated
3
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 1 · 33.3%Low 2 · 66.7%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

Current OST versus no OST for people who inject drugs

Population: people who inject drugs
1 question
OutcomeEffectEvidenceStatus / GRADE
HCV incidence adjusted analyses number of HCV seroconversion
Current OST vs no OST
RR 0.5 [0.4, 0.63]12 studies · 6361 participantsLow
Downgraded: risk of bias

High NSP coverage versus no/low NSP coverage for people who inject drugs

Population: people who inject drugs
1 question
OutcomeEffectEvidenceStatus / GRADE
HCV incidence adjusted analyses number of HCV seroconversion
High NSP coverage vs no/low NSP coverage
RR 0.79 [0.39, 1.61]5 studies · 3530 participantsVery low
Downgraded: risk of bias, inconsistency

Combined OST and high NSP versus no OST and low/no NSP for people who inject drugs

Population: people who inject drugs
1 question
OutcomeEffectEvidenceStatus / GRADE
HCV incidence adjusted analyses number of HCV seroconversions
Combined OST and high NSP vs no OST and low/no NSP
RR 0.26 [0.07, 0.89]3 studies · 3241 participantsLow
Downgraded: risk of bias