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Development of predictive scoring system of falls in inpatients using bedriddenness rank and cognitive function score

Research Project

Project/Area Number 18K17322
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 58010:Medical management and medical sociology-related
Research InstitutionSaga University

Principal Investigator

Tago Masaki  佐賀大学, 医学部, 准教授 (20457469)

Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Keywords転倒転落 / 院内転倒 / 転倒予測 / 医療安全 / 多施設前向き研究 / 観察研究 / 日常生活自立度 / 評価者間信頼性 / 多施設前向き臨床研究 / 転倒・転落 / 寝たきり度 / 認知度
Outline of Final Research Achievements

Our fall prediction model using the bedriddenness ranks enables us to calculate the probability of falls during hospitalization by simply assessing eight items on admission. We conducted a double-centered prospective observational study to validate the predictive model. As a result, the accuracy of the model to predict inpatients' falls was excellent.
In this study, we also evaluated the usability of the Japanese public scales of activities of daily living (ADL) provided by Japan's Ministry of Health, Labour and Welfare, which consists of two components: the bedriddenness ranks and the cognitive function scores. The bedriddenness ranks and the cognitive function scores were significantly correlated with other objective ADL scales, Barthel Index and Katz Index, and other objective dementia scales, MMSE and ABC Dementia Scale. The inter-rater reliability of the bedriddenness ranks and cognition function scores was also excellent, which indicates their usefulness.

Academic Significance and Societal Importance of the Research Achievements

精度が高く評価が簡便な転倒予測モデルは、多忙な医療現場での使用に適している。本予測モデルによって転倒を未然に防止でき、転倒による追加医療費の抑制や医療訴訟への発展を防ぐことができる。
また評価が簡便で、日本の医療・介護分野で広く利用されている日常生活自立度(寝たきり度と認知度)を客観的な尺度として評価したことは非常に有意義である。本研究によって寝たきり度と認知度を、ADLと認知症の客観的尺度として利用することが可能となる。このことは、現場に手つかずで眠っている膨大な日常生活自立度に関するデータを、客観的データとして利用が可能となることを意味しており、学術領域に与える影響は大きいと考えられる。

Report

(4 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (15 results)

All 2021 2020 2019

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 2 results) Presentation (13 results) (of which Int'l Joint Research: 4 results)

  • [Journal Article] High inter-rater reliability of Japanese bedriddenness ranks and cognitive function scores: a hospital-based prospective observational study2021

    • Author(s)
      Tago Masaki, Katsuki Naoko E., Yaita Shizuka, Nakatani Eiji, Yamashita Shun, Oda Yoshimasa, Yamashita Shu-ichi
    • Journal Title

      BMC Geriatrics

      Volume: 21 Issue: 1 Pages: 168-168

    • DOI

      10.1186/s12877-021-02108-x

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] New predictive models for falls among inpatients using public ADL scale in Japan:?A retrospective observational study of 7,858 patients in acute care setting2020

    • Author(s)
      Tago Masaki、Katsuki Naoko E.、Oda Yoshimasa、Nakatani Eiji、Sugioka Takashi、Yamashita Shu-ichi
    • Journal Title

      PLOS ONE

      Volume: 15 Issue: 7 Pages: e0236130-e0236130

    • DOI

      10.1371/journal.pone.0236130

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Validation of new predictive model we had developed for falls among inpatients using Japanese official classifications of activities of daily living: A prospective observational study2021

    • Author(s)
      Tago M, Katsuki EN, Nakatani E, Aihara H, Oda Y, Yamashita S, Tokushima Y, Fujiwara M, Yamashita SI
    • Organizer
      SGIM Annual Meeting 2021
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 寝たきり度を用いた院内転倒予測モデルの検証 多施設前向き研究2021

    • Author(s)
      多胡雅毅, 香月尚子, 中谷英仁, 相原秀俊, 織田良正, 德島圭宜, 藤原元嗣, 山下秀一
    • Organizer
      第118回日本内科学会総会・講演会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 日常生活自立度(寝たきり度・認知度)と他の日常生活動作または認知症の評価尺度との相関2021

    • Author(s)
      多胡雅毅, 香月尚子, 中谷英仁, 徳島緑, 八板静香, 堂込明子, 山下駿, 德島圭宜, 相原秀俊, 藤原元嗣, 山下秀一
    • Organizer
      第12回日本プライマリ・ケア連合学会学術大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 寝たきり度を用いて開発した転倒傷害予測モデルの検証:多施設前向き研究2021

    • Author(s)
      多胡雅毅, 香月尚子, 中谷英仁, 織田良正, 山下秀一
    • Organizer
      第23回日本医療マネジメント学会学術総会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Development of a new predictive model for falls among inpatients using bedriddenness rank in daily living; A retrospective observational study of 7,858 patients in acute care setting2020

    • Author(s)
      Tago M, Katsuki EN, Oda Y, Aihara H, Tokushima Y, Fujiwara M, Yamashita SI
    • Organizer
      SGIM Annual Meeting 2020
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 日常生活自立度の評価者間信頼性/寝たきり度とBI, 認知度とMMSEの関連性2020

    • Author(s)
      多胡雅毅, 香月尚子, 相原秀俊, 織田良正, 德島圭宜, 藤原元嗣, 山下秀一
    • Organizer
      第117回日本内科学会総会・講演会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 寝たきり度を用いた転倒予測モデル式の開発と検証: 市中急性期病院入院患者7858名の後ろ向き観察研究2020

    • Author(s)
      多胡雅毅, 香月尚子, 織田良正, 中谷英仁, 杉岡隆, 山下秀一
    • Organizer
      第11回日本プライマリ・ケア連合学会学術大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 寝たきり度を用いた院内転倒予測モデルの検証: 大学病院入院患者16,285例の解析2020

    • Author(s)
      多胡雅毅, 香月尚子, 山下秀一
    • Organizer
      第22回日本医療マネジメント学会学術総会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 日常生活自立度の評価者間信頼性/寝たきり度とBI, 認知度とMMSEの関連性2020

    • Author(s)
      多胡雅毅, 香月尚子, 相原秀俊, 織田良正, 德島圭宜, 藤原元嗣, 山下秀一
    • Organizer
      第117回日本内科学会講演会
    • Related Report
      2019 Research-status Report
  • [Presentation] シンポジウム1「プライマリ・ケアの困難事例 ~治療と予防のエビデンス~」シンポジスト『転倒予測式の開発 ~エビデンスの実用と評価~』2020

    • Author(s)
      香月尚子, 多胡雅毅, 山下秀一
    • Organizer
      日本プライマリ・ケア連合学会 第15回日本プライマリ・ケア連合学会九州支部総会・学術大会
    • Related Report
      2019 Research-status Report
  • [Presentation] Validation of our uniquely developed prediction fomula of fall using different population from original one used in its development.2019

    • Author(s)
      Tago M, Katsuki EN, Oda Y, Aihara H, Yamashita SI
    • Organizer
      SGIM Annual Meeting 2019
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] 寝たきり度・認知度を用いた転倒転落予測スコアの妥当性の検討2019

    • Author(s)
      多胡雅毅, 香月尚子, 織田良正, 相原秀俊, 山下秀一
    • Organizer
      第116回日本内科学会総会・講演会
    • Related Report
      2018 Research-status Report
  • [Presentation] Validation of our uniquely developed prediction formula of fall using different population from original one used in its development.2019

    • Author(s)
      Masaki Tago, Naoko E Katsuki, Yoshimasa Oda, Hidetoshi Aihara, Shu-ichi Yamashita.
    • Organizer
      SGIM2019 ANNUAL MEERING
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research

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Published: 2018-04-23   Modified: 2022-01-27  

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