Type 2 diabetes research yield, 1951-2012: bibliometrics analysis and density-equalizing mapping

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dc.contributor.authorGeaney, Fiona
dc.contributor.authorScutaru, Cristian
dc.contributor.authorKelly, Clare
dc.contributor.authorGlynn, Ronan W.
dc.contributor.authorPerry, Ivan J.
dc.contributor.funderDepartment of Agriculture, Fisheries and Food, Ireland
dc.contributor.funderHealth Research Board
dc.date.accessioned2016-02-17T10:07:57Z
dc.date.available2016-02-17T10:07:57Z
dc.date.issued2015
dc.description.abstractThe objective of this paper is to provide a detailed evaluation of type 2 diabetes mellitus research output from 1951-2012, using large-scale data analysis, bibliometric indicators and density-equalizing mapping. Data were retrieved from the Science Citation Index Expanded database, one of the seven curated databases within Web of Science. Using Boolean operators "OR", "AND" and "NOT", a search strategy was developed to estimate the total number of published items. Only studies with an English abstract were eligible. Type 1 diabetes and gestational diabetes items were excluded. Specific software developed for the database analysed the data. Information including titles, authors' affiliations and publication years were extracted from all files and exported to excel. Density-equalizing mapping was conducted as described by Groenberg-Kloft et al, 2008. A total of 24,783 items were published and cited 476,002 times. The greatest number of outputs were published in 2010 (n=2,139). The United States contributed 28.8% to the overall output, followed by the United Kingdom (8.2%) and Japan (7.7%). Bilateral cooperation was most common between the United States and United Kingdom (n=237). Harvard University produced 2% of all publications, followed by the University of California (1.1%). The leading journals were Diabetes, Diabetologia and Diabetes Care and they contributed 9.3%, 7.3% and 4.0% of the research yield, respectively. In conclusion, the volume of research is rising in parallel with the increasing global burden of disease due to type 2 diabetes mellitus. Bibliometrics analysis provides useful information to scientists and funding agencies involved in the development and implementation of research strategies to address global health issues.en
dc.description.sponsorshipHealth Research Board ( (Cenre for Health and Diet Research Grant HRC2007/13)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleide0133009
dc.identifier.citationGeaney F, Scutaru C, Kelly C, Glynn RW, Perry IJ (2015) Type 2 Diabetes Research Yield, 1951-2012: Bibliometrics Analysis and Density-Equalizing Mapping. PLoS ONE 10(7): e0133009. doi:10.1371/journal.pone.0133009
dc.identifier.doi10.1371/journal.pone.0133009
dc.identifier.issn1932-6203
dc.identifier.issued7en
dc.identifier.journaltitlePLOS ONEen
dc.identifier.urihttps://hdl.handle.net/10468/2301
dc.identifier.volume10en
dc.language.isoenen
dc.publisherPublic Library of Scienceen
dc.rights© 2015 Geaney et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are crediteden
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectPublic health researchen
dc.subjectInfectious diseasesen
dc.subjectUnited Kingdomen
dc.subjectEuropeen
dc.subjectTrendsen
dc.subjectImpacten
dc.subjectOutputen
dc.subjectRisken
dc.titleType 2 diabetes research yield, 1951-2012: bibliometrics analysis and density-equalizing mappingen
dc.typeArticle (peer-reviewed)en
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