Eine szientometrische Betrachtung des BMI

Zusammenfassung

Hintergrund: Der Zusammenhang von übergewicht und spezifischen Krankheitsrisiken ist bereits seit Anfang des 19. Jahrhunderts bekannt. Zur Einteilung des Körpergewichts in Unter-, Normal- und Übergewicht dient der seit 1835 bekannte und 1972 so benannte Body-Mass-Index (BMI) in kg/m². Methoden: Die vorliegende Studie bewertet die bis 2008 im „ISI Web of Science” von Thomson Reuters vorhandene Literatur zum Thema BMI unter quantitativen und qualitativen Gesichtspunkten. Bibliometrische Standardmethoden kommen zur Anwendung. Ergebnisse: Im Zeitraum 1900 – 2008 liegen 63 845 Publikationen vor, die den Suchkriterien entsprechen. Der erste Artikel ist aus dem Jahr 1972. Die Untersuchung zeigt, dass ab 1981 die Anzahl der jährlichen Veröffentlichungen sowie die Zitationen kontinuierlich ansteigen. Länderanalysen weisen auf ein weltweites wissenschaftliches Interesse mit einem Schwerpunkt bei den westlichen Industrienationen, angeführt von den USA, hin. Schlussfolgerung: Die vorliegende Studie liefert eine erste umfassende bibliometrische Untersuchung der Literatur zum Thema BMI. Die wissenschaftliche Aktivität von Forschern, Institutionen und Ländern der letzten 40 Jahre wird dargestellt. Es zeigt sich, dass der BMI, trotz der kontroversen Diskussionen, weiterhin ein wichtiger Parameter zur Einschätzung des Ernährungszustands ist, der einfach und kostengünstig angewendet werden kann.

Abstract

Background: The connection between overweight and health risks has been known since the beginning of the 19th century. In order to define overweight, the ”body mass index” (BMI) in kg/m² was introduced. Methods: The present study evaluates the quantity and quality of the published literature available, and its changes over the years. Basic bibliographic methods and recent visualizing techniques were used in order to analyse and categorise research in the field of the BMI. The data were extracted from ”ISI Web of Science” by Thomson Reuters beginning from 1900 to 2008 by defined search terms. Results: There are 63,845 articles on the subject available. It shows, that the number of annual publications is increasing continuously, starting in 1972. The bibliometric methods and the application of density equalising maps reveal global research productivity and citation activity with emphasis on the USA. Conclusion: The present study supplies a first bibliometric approach to visualise research activity in the field of BMI. Furthermore, it provides data that can be used for the identification of research clusters and to locate regions where more research needs to be done. Despite the controversial discussion, the analysed data suggest that the BMI is still an important, simple, and inexpensive measure for the assessment of the nutritional status that comes to a worldwide use.

kolorektales Karzinom - Magen - Darm

colorectal cancer - intestine - stomach

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