Iryo Yakugaku (Japanese Journal of Pharmaceutical Health Care and Sciences)
Online ISSN : 1882-1499
Print ISSN : 1346-342X
ISSN-L : 1346-342X
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Quantitative Analysis of Japanese Journal Articles on Medical Pharmacy
Sayoko GotoHiroko HachikenMitsutaka Takada
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2011 Volume 37 Issue 1 Pages 21-30

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Abstract

To quantitatively investigate the history of medical pharmacy research in Japan,we analyzed the titles of articles in theJapanese Journal of Pharmaceutical Health Care and Sciences and the Japanese Journal of Hospital Pharmacy,the principalmedical pharmacy journals in Japan,by text-mining.All article titles (2884 articles) between 1975 and 2009 were collectedfrom article databases,and the text of titles was analyzed using the KH Coder,free software for quantitative textanalysis of the Japanese language.This software produces basic information on text data such as the rate of occurrence ofcertain words.Nine research categories were identified through multivariate analysis of frequently appearing words.Also,coding rules were created to assign article titles to these research categories,and the categorization results were analyzed quantitatively.
Pharmaceutical investigation was the principal category in the 1970 s and 80 s,with the quality evaluation of drugs asthe major area of research.Articles assigned to this category accounted for 41.4% of all articles published during the period1980-1984.Articles assigned to the drug therapy category began to gradually increase in the 1990 s,and since 2000,drugtherapy has been the major area of medical pharmacy research in Japan.In addition,there has been an increase in investigationsassociated with the education of pharmacists and pharmacy students in recent years
Our findings suggest that there has been a shift in the dominant research area of medical pharmacy in Japan from qualityevaluation of drugs to patient care.

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© 2011 Japanese Society of Pharmaceutical Health Care and Sciences
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