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  • Title: Publication Trends of Pediatric and Adult Randomized Controlled Trials in General Medical Journals, 2005-2018: A Citation Analysis.
    Author: Groff ML, Offringa M, Emdin A, Mahood Q, Parkin PC, Cohen E.
    Journal: Children (Basel); 2020 Dec 15; 7(12):. PubMed ID: 33333770.
    Abstract:
    Policy has been developed to promote the conduct of high-quality pediatric randomized controlled trials (RCTs). Whether these strategies have influenced publication trends in high-impact journals is unknown. We aim to evaluate characteristics, citation patterns, and publication trends of pediatric RCTs published in general medical journals (GMJs) compared with adult RCTs over a 13-year period. Studies were identified using Medline, and impact metrics were collected from Web of Science and Scopus. All RCTs published from 2005-2018 in 7 GMJs with the highest impact factors were identified for analysis. A random sample of matched pediatric and adult RCTs were assessed for publication characteristics, academic and non-academic citation. Citations were counted from publication until June 2019. Among 4146 RCTs, 2794 (67.3%) enrolled adults, 591 (14.2%) enrolled children, and 761 RCTs (18.3%) enrolled adult and pediatric patients. Adult RCTs published in GMJs grew by 5.1 publications per year (95% CI: 3.3-6.9), while the number of pediatric RCTs did not show significant change (-0.4 RCTs/year, 95% CI: -1.4-0.6). Adult RCTs were cited more than pediatric RCTs (median(IQR): 29.9 (68.5-462.8) citations/year vs. 13.2 (6.8-24.9) citations/year; p < 0.001); however, social media attention was similar (median(IQR) Altmetric Attention Score: 37 (13.75-133.8) vs. 26 (6.2-107.5); p = 0.25). Despite policies which may facilitate conduct of pediatric RCTs, the publishing gap in high-impact GMJs is widening.
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