Their findings, published in PLOS Biology, found more than 26 percent of papers identified as systematic reviews or meta-analyses contained spin. This figure rose to up to 84 percent in papers reporting on nonrandomised trials.
While spin was variably defined across the 35 studies, a wide variety of strategies to spin results were identified including:
Data - Light - Example - Abstracts - Study
presenting data in a more favourable light than was warranted, for example writing overly optimistic abstracts, misleadingly describing the study design and underreporting adverse events.
Of the 35 studies reviewed, 19 examined whether particular factors were associated with the presence of spin -- however the factors were considered too wide-ranging and unrelated to draw conclusions.
Factors - Characteristics - Scientists - Journals - Studies
Most of the factors also focused on the characteristics of the individual scientists, journals or studies rather than broader issues in the sector, said co-author Professor Lisa Bero from the Faculty of Pharmacy and research group leader of the Charles Perkins Centre's Evidence,...
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