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Direct linkPieper, Dawid; Hoffmann, Falk – Research Synthesis Methods, 2022
Cochrane reviews are known to be a high-quality source of evidence synthesis supporting health care decisions. In a recently conducted study, we analyzed the trends in epidemiology and reporting of published systematic reviews over the last 20 years. This sample of 1132 systematic reviews included 84 Cochrane reviews. We have learned several…
Descriptors: Evidence, Health Services, Decision Making, Medical Research
Nejstgaard, Camilla Hansen; Lundh, Andreas; Abdi, Suhayb; Clayton, Gemma; Gelle, Mustafe Hassan Adan; Laursen, David Ruben Teindl; Olorisade, Babatunde Kazeem; Savovic, Jelena; Hróbjartsson, Asbjørn – Research Synthesis Methods, 2022
Randomised trials are often funded by commercial companies and methodological studies support a widely held suspicion that commercial funding may influence trial results and conclusions. However, these studies often have a risk of confounding and reporting bias. The risk of confounding is markedly reduced in meta-epidemiological studies that…
Descriptors: Medical Research, Randomized Controlled Trials, Corporations, Financial Support
Graham, S. Scott – Written Communication, 2021
This article offers a longitudinal computational-rhetorical analysis of biomedical writing on opioids. Using a corpus of 1,467 articles and essays published in the "New England Journal of Medicine" and the "Journal of the American Medical Association" between 1959 and May 2019, this study evaluates diachronic shifts in (a) the…
Descriptors: Narcotics, Drug Abuse, Epidemiology, Medical Research
