Association of Trial Registration With Reporting of Primary Outcomes in Protocols and Publications.

Chan, An-Wen; Pello, Annukka; Kitchen, Jessica; Axentiev, Anna; Virtanen, Jorma I; Liu, Annie; Hemminki, Elina · JAMA · 2017

systematic_review · Level I

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Abstract

This study characterizes discrepancies between primary outcomes specified in trial protocols, registrations, and publications, and the association between prospective registration and consistency of published outcomes.

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