A systematic survey of 200 systematic reviews with network meta-analysis (published 2020–2021) reveals that few reviews report structured evidence summaries

OBJECTIVES: To map whether and how systematic reviews (SRs) with network meta-analysis (NMA) use presentation formats to report (a) structured evidence summaries - here defined as reporting of effects estimates in absolute effects with certainty ratings and with a method to rate interventions across one or more outcome(s) - and (b) NMA results in general. STUDY DESIGN AND SETTING: We conducted a systematic survey, searching MEDLINE (Ovid) for …