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Japan's contribution to nuclear medical research
Mahbubur Rahman1, Junichi Sakamoto, Tsuguya Fukui
1Department of Epidemiological and Clinical Research Information Management, Kyoto University Graduate School of Public Health, Japan. rahman@pbh.med.kyoto-u.ac.jp
Annals of Nuclear Medicine
|November 6, 2002
Summary
Japan significantly increased its nuclear medicine research output from 1991-2000, ranking second globally. This contribution in nuclear medicine research surpassed its performance in other biomedical fields.
Area of Science:
- Nuclear Medicine
- Biomedical Research
- Bibliometrics
Background:
- Assessing national contributions to scientific research is crucial for understanding global scientific progress.
- Nuclear medicine is a rapidly evolving field with significant implications for diagnostics and therapeutics.
Purpose of the Study:
- To quantify Japan's contribution to nuclear medical research between 1991 and 2000.
- To compare Japan's research output in nuclear medicine with other leading nations.
- To analyze trends in Japan's publication share over time.
Main Methods:
- A bibliometric analysis of articles published in leading nuclear medicine journals from 1991-2000.
- Data sourced from the MEDLINE database.
- Calculation of publication shares by country and trend analysis.
Main Results:
- Japan's research output constituted 11.4% (889 articles) of the total analyzed articles (7,788), ranking second globally behind the USA.
- A statistically significant increasing trend in Japan's publication share was observed (p=0.02).
- Japan's share in nuclear medicine research exceeded its contribution in other biomedical fields.
Conclusions:
- Japan has made substantial and growing contributions to nuclear medical research.
- Japan's position in nuclear medicine research is notably strong compared to its standing in broader biomedical research.
- The findings highlight Japan's significant role in advancing the field of nuclear medicine.