Publications by authors named "Matthew Vassar"

Objective: To quantify conflicts of interest, assess the accuracy of authors self-reporting them, and examine the association between conflicts of interest and favourability of results and discussions in addiction medicine systematic reviews.

Design: A search was performed on Medline (Ovid) from January 2016 to 25 April 2020 to locate systematic reviews and meta-analyses focused on treatments of addiction disorders using a systematic search strategy. Data were extracted from each systematic review, including conflict of interest statements, authorship characteristics and the favourability of the results/conclusion sections.

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Objectives: Spin is a reporting practice in which study results are misrepresented by overestimating efficacy or underestimating harm. Prevalence of spin varies between clinical specialties, and estimates are based almost entirely on clinical trials. Little is known about spin in systematic reviews.

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Background: Reproducible research-defined as the ability to replicate a study with its published materials and procedures-is integral to ensuring the validity of published studies and promoting scientific advancement. The primary aim of this study was to quantitatively evaluate the reproducibility and transparency of research in the plastic surgery literature.

Methods: A cross-sectional study was performed.

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Objectives: Evaluate the completeness of reporting of addiction randomised controlled trials (RCTs) using the Consolidated Standards of Reporting Trials (CONSORT) statement.

Setting: Not applicable.

Participants: RCTs identified using a PubMed search of 15 addiction journals and a 5-year cross-section.

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