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Comparative Study
. 2011 Mar 8:342:d1028.
doi: 10.1136/bmj.d1028.

Research output on primary care in Australia, Canada, Germany, the Netherlands, the United Kingdom, and the United States: bibliometric analysis

Julie Glanville  1 , Tony Kendrick, Rosalind McNally, John Campbell, F D Richard Hobbs
Affiliations
Comparative Study

Research output on primary care in Australia, Canada, Germany, the Netherlands, the United Kingdom, and the United States: bibliometric analysis

Julie Glanville et al. BMJ. .

Abstract

Objective: To compare the volume and quality of original research in primary care published by researchers from primary care in the United Kingdom against five countries with well established academic primary care.

Design: Bibliometric analysis.

Setting: United Kingdom, United States, Australia, Canada, Germany, and the Netherlands. Studies reviewed Research publications relevant to comprehensive primary care and authored by researchers from primary care, recorded in Medline and Embase, with publication dates 2001-7 inclusive.

Main outcome measures: Volume of published activity of generalist primary care researchers and the quality of the research output by those publishing the most using citation metrics: numbers of cited papers, proportion of cited papers, and mean citation scores.

Results: 82,169 papers published between 2001 and 2007 in the six countries were classified as research on primary care. In a 15% pragmatic random sample of these records, 40% of research on primary care from the United Kingdom and 46% from the Netherlands was authored by researchers employed in a primary care setting or employed in academic departments of primary care. The 141 researchers with the highest volume of publications reporting research findings published between 2001 and 2007 (inclusive) authored or part authored 8.3% of the total sample of papers. For authors with the highest proportion of publications cited at least five times, the best performers came from the United States (n=5), United Kingdom (n=4), and the Netherlands (n=2). In the top 10 of authors with the highest proportions of publications achieving 20 or more citations, six were from the United Kingdom and four from the United States. The mean Hirsch index (measure of a researcher's productivity and impact of the published work) was 14 for the Netherlands, 13 for the United Kingdom, 12 for the United States, 7 for Canada, 4 for Australia, and 3 for Germany.

Conclusion: This international comparison of the volume and citation rates of papers by researchers from primary care consistently placed UK researchers among the best performers internationally.

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Conflict of interest statement

Competing interests: All authors have completed the Unified Competing Interest form at www.icmje.org/coi_disclosure.pdf (available on request from the corresponding author) and declare: no support from any organisation for the submitted work; no financial relationships with any organisations that might have an interest in the submitted work in the previous three years; most of the authors (TK, RM, JC, FDRH) are UK primary care researchers, and TK and FDRH competed in the Research Assessment Exercise 2008. FDRH is director of the National Institute for Health Research School for Primary Care Research.

Figures

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Fig 1 Numbers of research papers assessed during analysis
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Fig 2 Number of research publications (15% sample) by authors from primary care in journals with ISI impact factor per billion dollar gross domestic product spent on research (GERD)
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Fig 3 Mean number of research publications by authors from primary care (2001-6, 15% sample) per billion dollars gross expenditure on research and development (GERD) and by journal impact factor
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Fig 4 Number of publications (15% sample, all countries) in journals according to impact factor, for three years
See this image and copyright information in PMC

Comment in

References

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    1. Higher Education Statistics Agency. Release of 2007/08 HESA finance data reveals income of UK higher education sector up 10% in 2007/08. www.hesa.ac.uk/index.php?option=com_content&task=view&id=1404&Itemid=161.
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    1. Katz J. OECD main science and technology indicators. 2000. OECD Statistics 1999 and ISI National Science Indicators. OECD.

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