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Title: Author and journal self-citation in Emergency Medicine original research articles.
Austin Authors: Sri-Ganeshan, Muhuntha ;Walker, Kimberly P;Lines, Travis J;Neal-Williams, Tom J L;Taylor, David McD 
Affiliation: Department of Medicine, University of Melbourne, Grattan Street, Parkville, Victoria, Australia
Northern Health, Cooper Street, Epping, Victoria, Australia
Austin Health
Epworth Health, Bridge Road, Richmond, Victoria, Australia
Western Health, Gordon Street, Footscray, Victoria, Australia
Alfred Health, Commercial Road, Prahran, Victoria, Australia
Issue Date: 2021
Date: 2021-09-06
Publication information: The American journal of emergency medicine 2021-12; 50: 481-485
Abstract: To determine author and journal self-citation rates in a sample of original emergency medicine (EM) research articles. We undertook a retrospective observational study of original research articles published in 2019 in the top six English language general EM journals. Data comprised the total numbers of articles, citations, authors and self-citations for each author (author self-citations) as well as the number of articles in the reference list that had been previously published in the same journal (journal self-citations). 3213 individual authors and 581 articles were examined. Most authors did not self-cite at all although 62 self-cited five or more times in a single article. The mean (SD) and median (IQR) numbers of individual author self-citations/article/year were 0.6 (1.3) and 0 (0-1), respectively. Overall, author self-citations accounted for 2.4% of all cited articles. There was a weak positive but significant correlation between the number of individual author self-citations/article/year and the number of articles published by the author (r = 0.38, p < 0.001). There was no correlation between the journal impact factor (IF) and the author self-citation rate (r = 0.14, p = 0.79). The journals differed significantly in their author self-citation rates (p < 0.001). Annals of Emergency Medicine had the highest journal self-citation rate at 8.1% (95%CI 7.0%-9.2%) self-citations/100 citations/year, almost twice that of some other journals. There was a large but non-significant positive correlation between the journal IF and journal self-citation rates (r = 0.78, p = 0.07). Both author and journal self-citation rates in the articles examined are relatively low compared to other medical and scientific disciplines.
DOI: 10.1016/j.ajem.2021.09.005
Journal: The American Journal of Emergency Medicine
PubMed URL: 34517173
Type: Journal Article
Subjects: Authorship
Appears in Collections:Journal articles

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