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Temporal and geographic trends in celiac disease publications: a bibliometric analysis
David Narotsky1, Peter H R Green, Benjamin Lebwohl
1Celiac Disease Center, Department of Medicine, Columbia University Medical Center, New York, NY 10032, USA.
European Journal of Gastroenterology & Hepatology
|June 21, 2012
Summary
Publication output for celiac disease (CD) is increasing significantly, outpacing general medical literature growth. Research on CD is becoming more widespread across journals but is increasingly concentrated among high-volume authors, with economic factors influencing national contributions.
Area of Science:
- Gastroenterology
- Medical Publication Analysis
- Bibliometrics
Background:
- Celiac disease (CD) diagnosis rates remain low despite increasing prevalence.
- Research output on CD may be underrepresented compared to other gastrointestinal conditions.
- Investigating publication trends can shed light on research focus and potential diagnostic gaps.
Purpose of the Study:
- To quantify and analyze the publication output of celiac disease research.
- To compare celiac disease publication trends with those of Crohn's disease and Helicobacter pylori.
- To assess changes in publication volume and distribution over time.
Main Methods:
- PubMed database search from 1980-2009 for celiac disease, Crohn's disease, and Helicobacter pylori publications.
- Analysis of publication diffusion across journals and authors.
- Correlation analysis between national economic indicators and publication output.
Main Results:
- Celiac disease publication numbers show a steady increase, accelerating after 1995.
- Crohn's disease publications also increased, while Helicobacter pylori publications declined.
- Celiac disease research became more dispersed across journals but concentrated among high-volume authors; national output correlated with GDP.
Conclusions:
- Celiac disease research output is growing disproportionately to the overall medical literature.
- Publication landscape for CD shows increased journal diffusion but author concentration.
- Economic factors significantly influence a nation's contribution to celiac disease literature.
