Cross-sectional study of preprints and final journal publications from COVID-19 studies: discrepancies in results reporting and spin in interpretation.
Lisa A BeroRosa LawrenceLouis LeslieKellia ChiuSally McDonaldMatthew J PageQuinn GrundyLisa M ParkerStephanie BoughtonJamie J KirkhamRobin FeatherstonePublished in: BMJ open (2021)
The COVID-19 preprints and their subsequent journal publications were largely similar in reporting of study characteristics, outcomes and spin. All COVID-19 studies published as preprints and journal publications should be critically evaluated for discrepancies and spin.