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Open Access Correspondence

Analysis of research output parameters: Density equalizing mapping and citation trend analysis

Beatrix Groneberg-Kloft12*, Cristian Scutaru23, Axel Fischer1, Tobias Welte2, Carolin Kreiter3 and David Quarcoo3

Author Affiliations

1 Otto-Heubner Centre, Charité-Universitätsmedizin Berlin, Free University Berlin and Humboldt-University Berlin, Berlin, Germany

2 Department of Respiratory Medicine, Hannover Medical School, Hannover, Germany

3 Institute of Occupational Medicine, Charité-Universitätsmedizin Berlin, Free University Berlin and Humboldt-University Berlin, Berlin, Germany

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BMC Health Services Research 2009, 9:16  doi:10.1186/1472-6963-9-16

Published: 27 January 2009

Abstract

Background

Burden of disease studies indicate major socio-economic burdens since many years. They should be used for the allocation of funding. However, imbalances are present in funding policies and therefore benchmarking becomes increasingly important in health services research.

Methods

The present study assessed benchmarking approaches. Using large data base analyses, research was analyzed for different health research output parameters. The fields of cardiovascular and respiratory medicine served as models to assess irregular patterns of health research. For visualization, density equalizing mapping procedures were used.

Results

Specific areas of major research activity were identified for European countries and large differences were found. Spatial distribution of published items for cardiac and cardiovascular systems differed in comparison to the distribution for the respiratory system. In general, large countries dominated the overall number of published items. When qualitative measures such as citation analysis were assessed, differing results were achieved. In this category, mostly Scandinavian countries dominated.

Conclusion

The present approach of comparative output benchmarking can be used to assess institutional operating figures at the national and international level and to analyze imbalances in health and research funding.