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2012 Fiscal Year Final Research Report

Cost analysis of the health examination data with 60 thousand individuals

Research Project

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Project/Area Number 22590585
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Public health/Health science
Research InstitutionShiga University of Medical Science

Principal Investigator

MURAKAMI Yoshitaka  滋賀医科大学, 医学部, 准教授 (90305855)

Co-Investigator(Renkei-kenkyūsha) UESHIMA Hirotsugu  滋賀医科大学, 生活習慣病予防センター, 特任教授 (70144483)
MIURA Katsuyuki  滋賀医科大学, 医学部, 教授 (90257452)
OKAMURA Tomonori  慶應義塾大学, 医学部, 教授 (00324567)
Project Period (FY) 2010 – 2012
Keywords健康診断 / 医療費分析 / 内臓脂肪症候群 / 医療統計学
Research Abstract

Objective: The clustering of cardiovascular disease (CVD) risk factors is a serious threat for increasing medical expenses. The age‐specific proportion and distribution of medical expenditure attributable to CVD risk factors, especially focused on the elderly, is thus indispensable for formulating public health policy given the extent of the ageing population in developed countries. Study design: Cost analysis using individuals' medical expenses and their corresponding health examination measures. The study was conducted in Shiga prefecture, Japan, from April 2000 to March 2006. Participants: 33 213 participants aged 40 years and over. Methods: Gamma regression models were applied to examine how the number of CVD risk factors affects mean medical expenditure. The four CVD risk factors analysed in this study were defined as follows: hypertension (systolic blood pressure 〓140 mm Hg or diastolic blood pressure 〓90 mm Hg), hypercholesterolaemia (serum total cholesterol 〓240 mg/dl), high bl … More ood glucose (casual blood glucose 〓200 mg/dl) and smoking (current smoker). Sex-specific and age-specific investigations were carried out on the elderly (aged 65 and over) and non-elderly (aged 40-64) populations. Results: The mean medical expenditure (per year) for the no CVD risk‐factor group was only 110 000 yen at age 50 (men, 110 708 yen; women, 107 109 yen), but this expenditure was 6‐7 times higher for 80‐year‐olds who have three or four CVD risk factors (men, 603 351 yen; women, 765 673 yen). The total overspend (excess fraction) was larger for the non‐elderly (men, 15.4%; women, 11.1%) than that for the elderly (men, 0.1%; women, 5.2%) and largely driven by people with one or two CVD risk factors, except for elderly men. Conclusion: The age‐specific proportion and distribution of medical expenditure attributable to CVD risk factors showed that a high‐risk approach for the elderly and a population approach for the majority are both necessary to reduce total medical expenditure in Japan. Less

  • Research Products

    (5 results)

All 2013 2012 2011

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (4 results)

  • [Journal Article] The clustering of cardiovascular disease risk factors and their impacts on annual medical expenditure in Japan: community-based cost analysis using Gamma regression models2013

    • Author(s)
      Murakami Y, Okamura T, Nakamura K, Miura K, Ueshima H
    • Journal Title

      BMJ Open

      Volume: 3:pii: e002234

    • Peer Reviewed
  • [Presentation] Age, sex, and BMI-specific increase in medical expenditure due to the clustering of established atherosclerotic risk factors: a community-based cost analysis among 38,890 Japanese2012

    • Author(s)
      Murakami Y, Okamura T, Miura K and Ueshima H
    • Organizer
      XVI International Symposium of Atherosclerosis
    • Place of Presentation
      Sydney
    • Year and Date
      20120000
  • [Presentation] 日本における循環器疾患の大規模コホート統合データベースの構築と解析2012

    • Author(s)
      村上義孝
    • Organizer
      第23回日本疫学会学術総会
    • Place of Presentation
      大阪
    • Year and Date
      20120000
  • [Presentation] Relationship between the number of established cardiovascular risk factors and annual medical costs in Japan: cost analysis in 38 890 Japanese individuals2011

    • Author(s)
      Murakami Y, Okamura T, Miura K, Ueshima H
    • Organizer
      IEA World Congress of Epidemiology
    • Place of Presentation
      Edinburgh, Scotland
    • Year and Date
      20110000
  • [Presentation] 滋賀全市町を対象とした健診・医療費突合データによる喫煙と医療費との関連2011

    • Author(s)
      村上義孝.三浦克之.岡村智教.上島弘嗣
    • Organizer
      滋賀全市町を対象とした健診・医療費突合データによる喫煙と医療費との関連
    • Place of Presentation
      秋田
    • Year and Date
      20110000

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Published: 2014-08-29   Modified: 2015-10-07  

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