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Kyoji Furukawa
The Biostatistics Center
Professor

Researcher information

■ Degree
  • Ph.D., Iowa State, Nov. 2013
■ Research Keyword
  • 生物統計
  • biostatistics
■ Field Of Study
  • Environmental science/Agricultural science, Environmental effects of radiation
  • Informatics, Statistical science
■ Research Keyword
  • 統計科学
  • 計算機科学
■ Research Theme
  • 生存時間分析手法の開発と応用
  • 環境疫学データの統計モデリング
  • リスク評価と予測のための統計手法
  • ベイズ統計モデル

Career

■ Career
  • Apr. 2020 - Present
    Kurume University, Biostatistics Center, Graduate School of Medicine, professor, director
  • Apr. 2018 - Present
    Radiation Effects Research Foundation, Department of Statistics, Consultant
  • Jan. 2016 - Present
    United Nations, Scientific Committee for Effects of Atomic Radiation (UNSCEAR), Scientific Expert
  • Apr. 2023 - Mar. 2025
    Eikei University of Hiroshima, Department of Social System Design, Visiting lecturer
  • Apr. 2022 - Mar. 2023
    Fukuoka Women's University, 環境科学科, 非常勤講師
  • Apr. 2021 - Mar. 2023
    Nagoya City University, School of biology and integrated sciences, 非常勤講師
  • Apr. 2018 - Mar. 2020
    Kurume University, Biostatistics Center, Graduate School of Medicine, Professor
  • Apr. 2011 - Mar. 2018
    Kurume University, Biostatistics Center, Graduate School of Medicine, Visiting Lecturer
  • Apr. 2009 - Mar. 2018
    Hiroshima University, Faculty of Pharmaceutical Sciences, Visting Lecturer / Visiting Associated Professor
  • Apr. 2008 - Mar. 2018
    Radiation Effects Research Foundation, Department of Statistics, Associate Senior Scientist
  • Jun. 2008 - Dec. 2008
    US National Cancer Institute, Radiation Epidemiology Branch, Researcher (NIH special volunteer)
  • Oct. 2004 - Mar. 2008
    Radiation Effects Research Foundation, Department of Statistics, Research Scientist
  • Sep. 1998 - Aug. 2004
    Department of Statistics, Iowa State University, USA, Graduate RA/TA
  • Jan. 1995 - Dec. 1997
    Moratuwa University, Sri LankaDepartment of Computer Science and Engineering,, Lecturer
  • Apr. 1993 - Jul. 1994
    NEC Software Chugoku
■ Educational Background
  • Aug. 2001 - Aug. 2004, Iowa State University, Department of Statistics, Statistics
  • Aug. 1998 - Jul. 2001, Iowa State University, Department of Statistics, Statistics
  • Apr. 1991 - Mar. 1993, Hokkaido University, Graduate School of Engineering, Information Engineering
  • Apr. 1987 - Mar. 1991, Hiroshima University, Faculty of Integrated Arts and Sciences, 総合科学科
■ Member History
  • Apr. 2021 - Present
    Adviser, The delegation of Japan to the 70th session of the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR)
  • Apr. 2021 - Present
    メンバー, 原子力規制庁 国際放射線防護調査事業 作業部会
  • Apr. 2020 - Present
    レビューア, 厚生労働省 電離放射線障害に関する医学的知見の収集に係る調査研究事業
  • 2020 - Present
    学術委員会委員, 日本放射線影響学会
  • Nov. 2019 - Present
    member, 国連科学委員会国内対応委員会(日本)
  • Sep. 2019 - Present
    Lead writer, "Epidemiological Studies of Radiation and Cancer", United Nations Scientific Comittee for Effects of Atomic Radiation (UNSCEAR)
  • Jan. 2019 - Present
    TG111, Member, International Commission on Radiological Protection (ICRP)
  • 2016 - Present
    解析・評価WG研究協力者, 東電福島第一原発緊急作業従事者に対する疫学的研究
  • 2020 - Mar. 2022
    放射線被ばくに伴うがんリスクの推定コードの開発専門研究会 委員, 保健物理学会
  • 2016 - 2020
    Scientific expert “Selected evaluation of health effects and of risk inference due to radiation, United Nations Scientific Comittee for Effects of Atomic Radiation (UNSCEAR)
  • 2015 - 2019
    疫学調査タスク委員, 原子力安全研究協会 放射線影響問題に関する調査

Research activity information

■ Paper
■ MISC
■ Books and other publications
  • 臨床研究アウトプット術               
    Contributor
    中外医学社, Feb. 2020
  • 原爆放射線の人体影響; 肺がん               
    Contributor, 肺がん
    文光堂, Mar. 2012, Not reviewed
■ Lectures, oral presentations, etc.
  • 放射線関連がんリスクモデルの予測精度による評価.               
    古川恭治
    日本保健物理学会第56回研究発表会, Nov. 2023
  • Survival Analysis with Poisson Random Effect Model               
    Kyoji Furukawa
    2022 Japan Joint Statistical Meeting, 06 Sep. 2022, [Invited]
  • Sex-related variation in radiogenic cancer risk               
    Kyoji Furukawa
    International Workshop on Individual Response to Ionizing Radiation, Stockholm, 01 Sep. 2022, [Invited]
  • 生存時間解析における未観測不均一性 - 長期疫学リスク評価での影響               
    古川恭治
    2021年度統計関連学会連合大会, 07 Sep. 2021, [Invited]
  • Variation in radiation-associated cancer risks: evidence from Atomic-bomb survivors.               
    Kyoji Furukawa
    ICRP TG111 Workshop on factors influencing individual response to radiation and possibility of prediction, 03 Sep. 2021
  • Statistical issues in estimating factors affecting the individual response to radiation               
    Kyoji Furukawa
    The 2021 Western North American Region (WNAR) of the International Biometrics Society Meeting, 14 Jun. 2021, [Invited]
  • 放射線被ばくに伴うがんリスクの推定コードの開発専門研究会: リスク計算コードの現状               
    古川恭治
    日本保健物理学会・令和2年度企画シンポジウム, Jan. 2021
  • 肺がんリスク要因としての放射線               
    古川恭治
    第19回肺がんCT健診認定医師 更新/新規認定 講習会, 福岡, Nov. 2019
  • バイオ統計チュートリアル:⽋測を含むデータの解析⼿法               
    古川恭治
    第18回 久留米大学 バイオ統計学フォーラム, Sep. 2019
  • 統計学者にとっての放射線リスク研究: その役割と課題               
    古川恭治
    2019年度統計関連学会連合大会, 彦根, Sep. 2019
  • The impact of unobserved heterogeneity in radiation risk assessment.               
    Kyoji Furukawa
    The 16th International Congress of Radiation Research. Manchester, UK, Aug. 2019
  • 放射線の健康影響: 疫学研究から分かったこと/分からないこと               
    古川恭治
    久留米大学放射線医学講座 第86回開講記念講演会, May 2019, [Invited]
  • 放射線研究における統計学: 疫学と生物学を結ぶアプローチ               
    古川恭治
    東電福島第一原発緊急作業従事者に対する疫学的研究カンファレンス, 北九州, Mar. 2019, [Invited]
  • 欠測値を持つデータの扱い方: いつ 何をすべきか?すべきでないか?               
    古川恭治
    宮崎大学医学部: 臨床研究に関する講習会, Feb. 2019, [Invited]
  • The impact of unobserved heterogeneity and competing risks with shared frailty in radiation risk assessment.               
    Furukawa K
    Japan Joint Statistical Meetings, Tokyo, Sep. 2018
  • 放射線リスク評価とその活用 --- 原爆被爆者研究からの知見               
    古川 恭治
    第55回九州放射線影響懇話会, 21 Jul. 2018
  • 放射線リスクとその評価 --- 統計研究者の役割               
    古川 恭治
    久留米大学バイオ統計センター公開セミナー, 31 May 2018
  • An efficient multiple imputation in a large-scale cohort study               
    Furukawa K
    Japan Joint Statistical Meetings. Nagoya, Sep. 2017
  • Joint modeling for longitudinal variations of blood pressure and circulatory disease incidence in association with radiation exposure (Poster)               
    Furukawa K; Misumi M; Takahashi I
    38th Annual Conference of the International Society for Clinical Biostatistics, Vigo, Spain, Jul. 2017
  • Hiroshima Statistics Study Group Seminars               
    FURUKAWA Kyoji
    Hiroshima Statistics Study Group Seminars, Jan. 2017
  • Development of statistical approaches to radiation risk assessment with atomic bomb survivors               
    FURUKAWA Kyoji
    International Committee of Radiation Protection seminars, Hiroshima, Oct. 2016
  • A semi-parametric Bayesian model to estimate the acceptable exposure level               
    Furukawa K
    The 2016 Conference on Radiation and Health, Hawaii, USA, Oct. 2016
  • Combined effects of radiation and smoking on lung cancer               
    Furukawa K
    Invited Seminer at The Helmholtz Zentrum Munchen German Research Center for Environmental Health (HMGU), Munich, Germany, Nov. 2015, [Invited]
  • なぜ医学研究に統計専門家が必要とされるのか?               
    古川 恭治
    第17回日本骨粗鬆症学会, 広島, Sep. 2015, [Invited]
  • Risk and statistical decision makings               
    Furukawa K
    Invited lecture at E-Soft College of Engineering, Moratuwa, Sri Lanka, Jul. 2015, [Invited]
  • Projecting risks associated with low-dose radiation exposure               
    Furukawa K
    World Congress of Risk 2015, Singapore, Jul. 2015
  • Statistical modeling issues for risk estimation in the low dose range               
    Furukawa K; Misumi M
    The 15th International Congress of Radiation Research. Kyoto, May 2015, [Invited]
  • Radiation-associated cancer risks by smoking history: Epidemiological findings in the Life Span Study               
    Furukawa K
    The 15th International Congress of Radiation Research. Kyoto, May 2015, [Invited]
  • Non-parametric smoothing for radiation dose response estimation               
    Furukawa K
    The 2014 Conference on Radiation and Health, Las Vegas, USA, Sep. 2014, [Invited]
  • A multi-stage multiple imputation in a large-scale cohort study               
    Furukawa K; Takahashi I
    35th Annual Conference of the International Society for Clinical Biostatistics, Vienna, Austria, Aug. 2014
  • Improving Dose-Response Estimation in Radiation Risk Assessment -- Why is the “LNT” model inconvenient ?               
    Furukawa K
    International symposium on the evaluation of the effects of low-dose radiation exposure in the Life Span Study of atomic-bomb survivors and other similar studies, Hiroshima, Dec. 2013
  • A semi-parametric approach to dose response estiamtion in radiation risk analysis               
    Furukawa K
    Society for Risk Analysis Annual Meeting, Baltimore, USA, Dec. 2013
  • Handling incomplete data in epidemiology --- some guidelines and an application               
    Furukawa K
    Hiroshima Statistics Study Group Seminars. Hiroshima, Dec. 2012
  • Multiple imputation for incomplete time-dependent covariates in survival analysis               
    Furukawa K
    26th International Biometric Conference, Kobe, Aug. 2012
  • 放射線, 喫煙と肺がん:原爆被爆者における疫学調査結果               
    古川 恭治
    第35回 日本がん疫学分子疫学研究会総会, 広島, Jul. 2012, [Invited]
  • Thyroid cancer incidence among atomic-bomb survivors: An update in the Life Span Study               
    Furukawa K
    2012 American Statistical Associations Conference on Radiation and Health, Kennebunkport, USA, Jun. 2012, [Invited]
  • 不完全な時間依存変数に対するMultiple Imputation:原爆被爆者における喫煙歴と肺がん罹患率解析への応用 (poster)               
    古川 恭治
    第22回日本疫学会総会, 東京, Jan. 2012
  • Radiation, smoking and lung cancer: Epidemiological findings in the Life Span Study               
    Furukawa K
    NASA-NCI Joint Workshop on Lung Cancer Risk Resulting from Space and Terrestrial Radiation, Bethesda, MD, USA, Jun. 2011, [Invited]
  • Joint effects of radiation and smoking on lung cancer among atomic-bomb survivors               
    Furukawa K
    International workshop on the roles of smoking on radiation risk of lung cancer, Hiroshima, Feb. 2011
  • Radiation and lung cancer: epidemiological and genetic findings from studies among atomic-bomb survivors               
    Furukawa K; Taga M; Misumi M; Preston DL; Ozasa K; Mabuchi K
    The 7th International Conference on High Levels of Natural Radiation and Radon Areas, Mumbai, India, Nov. 2010, [Invited]
  • Radiation and smoking effects on lung cancer incidence by histological types among atomic-bomb survivors (Poster)               
    Furukawa K; Preston DL; Funamoto S; Egawa H; Tokuoka S; Ozasa K; Mabuchi K
    2010 ASA Conference on Radiation and Health, Annapolis, USA, Jun. 2010
  • Interaction effects of radiation and smoking on lung cancer risks among atomic-bomb survivors               
    Furukawa K; Lonn S; Funamoto S; Mabuchi K; Egawa H; Tokuoka S; Preston DL
    Interaction effects of radiation and smoking on lung cancer risks among atomic-bomb survivors. Late Health Effects of Ionizing Radiation. Washington DC, USA, May 2009, [Invited]
  • A comparison of approaches to bias correction in dose-response analysis with regression models involving covariate errors               
    Furukawa K
    Hiroshima Statistics Group Seminars, Apr. 2009
  • Bayesian risk projection for A-bomb survivor cohort               
    Furukawa K; Cologne JB; Shimizu Y
    2008 American Statistical Associations Joint Statistical Meetings, Denver, Colorado, USA, Aug. 2008, [Invited]
  • Bayesian approaches to risk estimation with atomic-bomb survivor data               
    Furukawa K
    2008 ASA Conference on Radiation and Health, Vail, Colorado, USA, Jun. 2008, [Invited]
  • Estimating cancer incidence from coarsened tumor registry data.               
    Furukawa K
    International Conference on Statistics, Mathematics and Related Fields, Honolulu, USA, Jan. 2007
  • Estimating cancer incidence based on coarsened tumor-registry data               
    Furukawa K
    Hiroshima Statistics Study Group Seminars, Hiroshima, Sep. 2006
  • Parameterization of spatial models and stability of estimators               
    Caragea PC; Kaiser MS; Furukawa K
    2006 Spring Meeting, International Biometric Society, Eastern North American Region, Tampa, USA, Mar. 2006
  • Modeling dependence with multiparameter exponential family conditional distributions               
    Furukawa K
    2005 Conference of the International Environmetrics Society, Beijing, China, Aug. 2005
  • Prediction of riverine sediment categories from a multinomial reverse Dirichlet spatial mixture model               
    Furukawa K; Kaiser MS
    The ASA Joint Statistical Meetings, Toronto, Canada, Aug. 2004
  • Centering the effects of neighbors in Markov random field models               
    Kaiser MS; Caragea PC; Furukawa K
    The Graybill Conference on Spatial Statistics: Agricultural, Ecological, and Environmental Applications, Colorado State University., Jun. 2004
  • Prediction of riverine sediment categories using a spatial mixture model               
    Kaiser MS; Furukawa K
    2004 Spring Meeting, International Biometric Society, Eastern North American Region, Pittsburgh, USA, Mar. 2004
  • Identifying the burning process of a coal fired power plant to achieve desired fly-ash compositions               
    Nanayakkara T; Nakamura M; Nanayakkara DPN; Furukawa K
    IFAC SYSID, Kitakyushu, Japan, Jul. 1997
  • 統計的弛緩法による図形分節モデル               
    古川; 工藤, 新保
    第45回情報処理学会全国大会, 徳島, Oct. 1992
■ Affiliated academic society
  • Aug. 2022 - Present
    日本統計学会               
  • 2020 - Present
    Japan Health Physics Society               
  • 2018 - Present
    The Japanese Radiation Research Society               
  • 2014 - Present
    International Society for Clinical Biostatistics               
  • 2008 - Present
    Radiation Research Society               
  • 2005 - Present
    THE BIOMETRIC SOCIETY OF JAPAN               
  • Society of Risk Analysis               
  • American Statistical Association               
■ Research Themes
■ 研究者からの一言アピール
  • 疫学臨床研究において観察されたデータの中に隠れた関連性を見つけ出したり、現象をより意味のある視点から説明するための統計手法やモデリングの研究をしています