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Analysis of Yearly Variations in Drug Expenditure for One Patient Using Data Warehouse in a Hospital

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Abstract

Medical expense has grown rapidly in Japan. It could be caused by the increase of the patient number and the increase of medical expense per patient. We studied the latter factor on drug expenditure from 1996 to 2002 using the prescription data stored in the data warehouse of one hospital. We found that the drug expenditure per patient had increased 1.32 times. The mean number of prescriptions per patient increased 1.23 times and the mean expenditure of one medicine increased 1.08 times. These results demonstrated that drug expenditure for one patient had gradually increased. This was caused by both the rise in the number of medicines taken by one patient and the rise in the prices of medicines. The data warehouse in the hospital was useful for the analysis of the trends in medical expenditure for one patient.

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Authors and Affiliations

  1. Department of Integrated Medicine, Medical Informatics, Osaka University, Graduate School of Medicine 2-2, Yamada-oka, Suita, Osaka, 565-0871, Japan

    Yufeng Chen, Yasushi Matsumura, Katsuhiko Nakagawa, Shanmei Ji, Hirohiko Nakano, Tadamasa Teratani, Qiyan Zhang, Takahiro Mineno & Hiroshi Takeda

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  1. Yufeng Chen
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  2. Yasushi Matsumura
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  3. Katsuhiko Nakagawa
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  4. Shanmei Ji
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  5. Hirohiko Nakano
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  6. Tadamasa Teratani
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  7. Qiyan Zhang
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  8. Takahiro Mineno
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  9. Hiroshi Takeda
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Correspondence to Yasushi Matsumura.

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Chen, Y., Matsumura, Y., Nakagawa, K. et al. Analysis of Yearly Variations in Drug Expenditure for One Patient Using Data Warehouse in a Hospital. J Med Syst 31, 17–24 (2007). https://doi.org/10.1007/s10916-006-9039-7

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  • DOI: https://doi.org/10.1007/s10916-006-9039-7

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