Buprenorphine compared with methadone to treat pregnant women with opioid use disorder: a systematic review and meta-analysis of safety in the mother, fetus and child Comment

摘要

Outcome reporting bias may have a substantial impact on systematic reviews of safety of interventions. Review authors must differentiate between no incidence of adverse events, and no adverse events were reported. The new Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) harms guideline will facilitate transparent reporting of reviews of harms.