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Ohyama Tetsuji
The Biostatistics Center
Associate Professor

Researcher information

■ Degree
  • Doctor of Philosophy in Biostatistics, Kurume University, Feb. 2010
■ Research Keyword
  • Prediction model
  • Reliability
  • Latent class model
  • Biostatistics
■ Field Of Study
  • Natural sciences, Applied mathematics and statistics
  • Informatics, Statistical science
■ Research Keyword
  • 統計科学
■ Research Theme
  • 異なる経時的推移を示す未観測グループを検出するための growth mixture model に関する研究
  • 脳画像データ解析に関する研究
  • 観察者間・観察者内信頼性を評価するための統計手法の研究
  • 潜在変数を利用した順序データ解析に関する研究
  • 臨床予測モデルの開発のための統計手法の研究

Research activity information

■ Paper
  • A phase 2 randomized, double-blind trial of ART-001, a selective PI3Kα inhibitor, for the treatment of slow-flow vascular malformations
    Michio Ozeki; Akira Tanaka; Kanako Kuniyeda; Taiki Nozaki; Akihiro Fujino; Tadashi Nomura; Naoto Uemura; Souichi Suenobu; Noriko Aramaki-Hattori; Ayato Hayashi; Aiko Kato; Hiro Kiyosue; Kotaro Imagawa; Munetomo Nagao; Fumiaki Shimizu; Junko Ochi; Saya Horiuchi; Tetsuji Ohyama; Haruhi Ando; Hiroshi Nagabukuro
    Orphanet Journal of Rare Diseases, 10 Feb. 2025, [Reviewed]
  • Impact of body mass index as a continuous variable on short‐ and long‐term outcomes in patients undergoing laparoscopic surgery for colon cancer
    Takayuki Aiba; Tomonori Akagi; Hidefumi Shiroshita; Kentaro Nakajima; Tetsuji Ohyama; Tatsuya Kinjo; Akiyoshi Kanazawa; Nobuaki Suzuki; Takuya Tokunaga; Manabu Yamamoto; Nobuki Ichikawa; Shungo Endo; Yutaka Kojima; Takatoshi Nakamura; Shuji Saito; Yoshinori Kagawa; Shinobu Ohnuma; Seiichiro Yamamoto; Takeshi Naitoh; Masafumi Inomata
    Annals of Gastroenterological Surgery, 23 Jan. 2025, [Reviewed]
  • A comparison of confidence interval methods for the intraclass correlation coefficient based on the one-way random effects model
    Tetsuji Ohyama
    Japanese Journal of Statistics and Data Science, 19 Jan. 2025, [Reviewed]
  • Laparoscopic versus open colectomy for locally advanced colon cancer in obese patients: a nationwide, multicenter, propensity score-based analysis of short- and long-term outcomes
    Kentaro Nakajima; Tomonori Akagi; Yohei Kono; Hidefumi Shiroshita; Tetsuji Ohyama; Shuji Saito; Yoshinori Kagawa; Takatoshi Nakamura; Shinobu Ohnuma; Yutaka Kojima; Masafumi Inomata; Seiichiro Yamamoto; Takeshi Naitoh; Yoshiharu Sakai; Masahiko Watanabe
    Japanese Journal of Clinical Oncology, 22 Sep. 2024, [Reviewed]
  • The Prospective Natural History Study of Patients with Intractable Venous Malformation and Klippel–Trenaunay Syndrome to Guide Designing a Proof-of-Concept Clinical Trial for Novel Therapeutic Intervention
    Akihiro Fujino; Kanako Kuniyeda; Taiki Nozaki; Michio Ozeki; Tetsuji Ohyama; Iori Sato; Kiyoko Kamibeppu; Akira Tanaka; Naoto Uemura; Kazuhiro Kanmuri; Kenji Nakamura; Fumiaki Kobayashi; Souichi Suenobu; Tadashi Nomura; Ayato Hayashi; Munetomo Nagao; Aiko Kato; Noriko Aramaki-Hattori; Kotaro Imagawa; Kosuke Ishikawa; Junko Ochi; Saya Horiuchi; Hiroshi Nagabukuro
    Lymphatic Research and Biology, 01 Feb. 2024, [Reviewed]
  • A multi‐institutional study designed by members of Tokyo Guidelines (TG) Core Meeting to elucidate the clinical characteristics and pathogenesis of acute cholangitis after bilioenteric anastomosis and biliary stent insertion with a focus on biliary obstruction: Role of transient hepatic attenuation difference (THAD) and pneumobilia in improving TG diagnostic performance
    Hiroyuki Kato; Tadahiro Takada; Steven Strasberg; Shuji Isaji; Keiji Sano; Masahiro Yoshida; Takao Itoi; Kohji Okamoto; Seiki Kiriyama; Shintaro Yagi; Takashi Matsubara; Ryota Higuchi; Tetsuji Ohyama; Takeyuki Misawa; Shuntaro Mukai; Yasuhisa Mori; Koji Asai; Shugo Mizuno; Yuta Abe; Kenji Suzuki; Yuki Homma; Jiro Hata; Kana Tsukiyama; Yusuke Kumamoto; Toshio Tsuyuguchi; Hirotoshi Maruo; Yukio Asano; Shutaro Hori; Makoto Shibuya; Toshihiko Mayumi; Naoyuki Toyota; Akiko Umezawa; Harumi Gomi; Akihiko Horiguchi
    Journal of Hepato-Biliary-Pancreatic Sciences, 26 Oct. 2023, [Reviewed]
  • Validation of a surgical difficulty grading system in laparoscopic cholecystectomy for acute cholecystitis
    Koji Asai; Tetsuji Ohyama; Manabu Watanabe; Hodaka Moriyama; Manabu Kujiraoka; Ryutaro Watanabe; Kenta Shigeta; Nanako Kakizaki; Osahiko Hagiwara; Yoshihisa Saida
    Journal of Hepato-Biliary-Pancreatic Sciences, 06 Oct. 2023, [Reviewed]
  • Association between psychomotor function and ALDH2 genotype after consuming barley shochu: A randomized crossover trial               
    Matsuura K, Kushio S, Imai H, Kudo H, Wakuda H, Otani N, Kuranari M, Sekiguchi A, Ohyama T, Uemura N
    Clinical and Translational Medicine, 2023
  • Five-Year Survival Outcomes of Laparoscopy-Assisted vs Open Distal Gastrectomy for Advanced Gastric Cancer The JLSSG0901 Randomized Clinical Trial               
    Etoh T, Ohyama T, Sakuramoto S, Tsuji T, Lee SW, Yoshida K, Koeda K, Hiki N, Kunisaki C, Tokunaga M, Otsubo D, Takagane A, Misawa K, Kinoshita T, Cho H, Doki Y, Nunobe S, Shiraishi N, Kitano S, for the Japanese Laparoscopic Surgery Study Group (JLSSG)
    JAMA surgery, 2023
  • Laparoscopic versus open resection for stage II/III rectal cancer in obese patients: A multicenter propensity score-based analysis of short- and long-term outcomes               
    Akagi T, Nakajima K, Hirano Y, Abe T, Inada R, Kono Y, Shiroshita H, Ohyama T, Inomata M, Yamamoto S, Naitoh T, Sakai Y, Watanabe M on behalf of the Japan Society of Laparoscopic Colorectal Surgery
    Annals of Gastroenterological Surgery, 2023
  • 学内成績を用いた臨床検査技師国家試験点数の予測モデルに基づく学習指導               
    吉野 千代,大山 哲司,糸山 貴子,棚町 千代子,武谷 三恵,古川 恭治,西 昭徳
    臨床検査学教育, 2023
  • The skill qualification system for portal hypertension in Japan               
    Masayuki Ohta, Naoya Murashima, Tetsuji Ohyama, Tomoharu Yoshida, Shozo Hirota, Hirofumi Kawanaka, Makoto Hashizume, Shinichi Nakamura, Fumio Chikamori, Susumu Eguchi, Takashi Tajiri, Katsutoshi Obara, Shigehiro Kokubu
    DEN Open, 2022
  • Application of a novel surgical difficulty grading system during laparoscopic cholecystectomy               
    Asai K, Iwashita Y, Ohyama T, Endo I, Hibi T, Umezawa A, Suzuki K, Watanabe M, Kurata M, Mori Y, and others
    Journal of Hepato-Biliary-Pancreatic Sciences, 2022
  • Modified Socratic Method (planned and executed by Takada) for medical education: Grade II Acute Cholecystitis of Tokyo Guidelines 2018 as an example case               
    Takada T, Isaji S, Yoshida M, Horiguchi A, Ando H, Miyakawa S, Kiriyama S, Gomi H, Mukai S, Higuchi R, Abe Y, Okamoto K, Suzuki K, Toyota N, Hori S, Homma Y, Kato H, Umezawa A, Hata J, Inoue D, Kobayashi M, Tsuyuguchi T, Maruo H, Kumamoto Y, Asano Y, Kondo Y, Arakawa S, Asai K, Mori Y, Nagamachi Y, Mizuno S, Yagi S, Ohyama T, Misawa T, Sano K, Ito T, Taniai N, Unno M, Yamamoto M, Mayumi T
    Journal of Hepato-Biliary-Pancreatic Sciences, 2022
  • Surgical outcomes of totally extraperitoneal repair for inguinal hernia: A retrospective multi-center propensity score-matched study               
    Takeuchi Y, Etoh T, Ohyama T, Suzuki K, Hiratsuka T, Ishio T, Shigemitsu Y, Inomata M
    Annals of Gastroenterological Surgery, 2021
  • Statistical inference of Gwet's AC1 coefficient for multiple raters and binary outcomes               
    Ohyama T
    Communications in Statistics - Theory and Methods, 2021
  • Prediction of Long-Term Diabetes Remission After Metabolic Surgery in Obese East Asian Patients: a Comparison Between ABCD and IMS Scores               
    Ohta M, Seki Y, Ohyama T, Bai R, Kim SH, Oshiro T, Jiang T, Sasaki A, Naitoh T, Yamaguchi T, Inamine S, Miyazaki Y, Ahn SM, Heo Y, Liang H, Choi SH, Yang W, Yao Q, Inoue K, Yamamoto H, Lee HJ, Park YS, Ha TK, Ryu SW, Wang C, Park S, Kasama K
    Obesity Surgery, 2021
  • Assembling a library of typical surgery video clips to construct a system for assessing the surgical difficulty of laparoscopic cholecystectomy               
    Kurata M, Iwashita Y, Ohyama T, Endo I, Hibi T, Umezawa A, Suzuki K, Watanabe M, Asai K, Mori Y, Higashida M, Kumamoto Y, Shindoh J, Yoshida M, Honda G, Misawa T, Abe Y, Nagakawa Y, Toyota N, Yamada S, Norimizu S, Matsumura N, Sata N, Sunagawa H, Ito M, Takeda Y, Nakamura Y, Rikiyama T, Higuchi R, Gocho T, Ueno K, Kumagai Y, Kanaji S, Takada T, Yamamoto M
    Journal of Hepato-Biliary-Pancreatic Sciences, 2021
  • Homogeneity score test of AC1 statistics and estimation of common AC1 in multiple or stratified inter-rater agreement studies               
    Honda C and Ohyama T
    BMC Medical Research Methodology, Feb. 2020
  • The μ-opioid receptor gene polymorphism 118A>G weakens the pharmacological action of buprenorphine               
    Imai H, Morita M, Morita H, Ohyama T, Tanaka S, Uchida S, Namiki N, Uemura N, Ohashi K
    International Journal of Clinical Pharmacology and Therapeutics, 2020
  • Statistical inference of agreement coefficient between two raters with binary outcomes               
    Ohyama T
    Communications in Statistics - Theory and Methods, 2020
  • No Effect of Digoxin on Rosuvastatin Pharmacokinetics in Healthy Subjects: Utility of Oita Combination for Clinical Drug?Drug Interaction Study               
    Otani N, Wakuda H, Imai H, Kuranari M, Ishii Y, Ito Y, Okubo A, Ogawa O, Takeda K, Ohyama T, Hasunuma T, Uemura N
    Clinical and Translational Science, 2019
  • The utility of DHL-HisZnNa, a novel antioxidant, against anticancer agent-induced alopecia in breast cancer patients: a multicenter phase II clinical trial               
    Sagawa N, Ohno S, Hiratsuka T, Kondo N, Iwata H, Bando H, Ohyama T, Ishida M, Kono Y, Nakajima K, Empuku S, Nishikawa S, Irie Y, Inomata M, Kitano S
    Breast Cancer Research and Treatment, 2019
  • 日本人肝機能障害者および健康成人における新規トリアゾール系抗真菌剤fosravuconazole L-lysine ethanolateの多施設共同非盲検薬物動態比較試験               
    内田英二, 荒瀬康司, 大山哲司, 上村尚人, 中野眞, 大西友房
    臨床医薬, 2018
  • Delphi consensus on bile duct injuries during laparoscopic cholecystectomy: An evolutionary cul-de-sac or the birth pangs of a new technical framework?               
    Iwashita Y, Hibi T, Ohyama T, Umezawa A, Takada T, Strasberg SM, Asbun HJ, Pitt HA, Han HS, Hwang TL, and others
    Journal of Hepato-Biliary-Pancreatic Sciences, Nov. 2017
  • The "right" way is not always popular: comparison of surgeons' perceptions during laparoscopic cholecystectomy for acute cholecystitis among experts from Japan, Korea and Taiwan               
    Hibi T, Iwashita Y, Ohyama T, Honda G, Yoshida M, Takada T, Han HS, Hwang TL, Shinya S, Suzuki K, and others
    Journal of Hepato-Biliary-Pancreatic Sciences, 2017
  • An opportunity in difficulty: Japan?Korea?Taiwan expert Delphi consensus on surgical difficulty during laparoscopic cholecystectomy               
    Iwashita Y,Hibi T, Ohyama T, Honda G, Yoshida M, Miura F, Takada T, Han HS, Hwang TL, Shinya S, and others
    Journal of Hepato-Biliary-Pancreatic Sciences, 2017
  • The Pharmacokinetic Exposure to Fexofenadine is Volume-Dependently Reduced in Healthy Subjects Following Oral Administration With Apple Juice               
    J Luo, H Imai, T Ohyama, S Hashimoto, T Hasunuma, Y Inoue, T Kotegawa, K Ohashi, N Uemura
    Clinical and Translational Science, 2016
  • What are the appropriate indicators of surgical difficulty during laparoscopic cholecystectomy? Results from a Japan-Korea-Taiwan multinational survey               
    Iwashita Y, Ohyama T, Honda G, Hibi T, Yoshida M, Miura F, Takada T, Han HS, Hwang TL, Shinya S, and others
    Journal of Hepato-Biliary-Pancreatic Sciences, 2016
  • A Multi-institutional, Prospective, Phase II Feasibility Study of Laparoscopy-Assisted Distal Gastrectomy with D2 Lymph Node Dissection for Locally Advanced Gastric Cancer (JLSSG0901)               
    Noriyuki Inaki, Tsuyoshi Etoh, Tetsuji Ohyama, Kazuhisa Uchiyama, Natsuya Katada, Keisuke Koeda, Kazuhiro Yoshida, Akinori Takagane, Kazuyuki Kojima, Shinichi Sakuramoto, Norio Shiraishi, Seigo Kitano
    World Journal of Surgery, 2015
  • Expression of anti-Müllerian hormone and its type II receptor in germ cells of maturing rat testis               
    Kenji Ohyama, Masanori Ohta, Yoshinao Z Hosaka, Yoshiko Tanabe, Tetsuji Ohyama, Yoshiaki Yamano
    Endocrine Journal, 2015
  • Anterior cruciate ligament deterioration correlates with patella osteoarthritis               
    Takanori Iriuchisima, Keinosuke Ryu, Shin Aizawa, Hiroshi Yorifuji, Tetsuji Ohyama, Freddie H. Fu
    International Orthopaedics, 2014
  • Prior value incorporated calibration estimator in stratified random sampling               
    Tetsuji Ohyama
    Statistics and Probability Letters, 2013
  • The effect of carboxylesterase 1 (CES1) polymorphisms on the pharmacokinetics of oseltamivir in humans               
    Yuki Suzaki, Naoto Uemura, Makoto Takada, Tetsuji Ohyama, Akiko Itohda, Takuya Morimoto, Hiromitsu Imai, Hajime Hamasaki, Akihiro Inano, Masakiyo Hosokawa, Masato Tateishi, Kyoichi Ohashi
    European Journal of Clinical Pharmacology, 2013
  • Itraconazole and domperidone: a placebo-controlled drug interaction study               
    Tsuneaki Yoshizato, Tsutomu Kotegawa, Hiromitsu Imai, Kimiko Tsutsumi, Junko Imanaga, Tetsuji Ohyama, Kyoichi Ohashi
    Eurpean Journal of Clinical Pharmacology, 2012
  • Effects of dosing interval on the pharmacokinetic and pharmacodynamic interactions between the oral adsorbent AST-120 and triazolam in humans               
    Tsutomu Kotegawa, Kimiko Tsutsumi, Hajime Morita, Hiromitsu Imai, Misaki Morita, Tsuneaki Yoshizato, Tetsuji Ohyama, Shinya Uchida, Hiroshi Watanabe, Noriyuki Namiki, Kyoichi Ohashi
    Eurpean Journal of Clinical Pharmacology, 2012
  • The effects of the SLCO2B1 c.1457C>T polymorphism and apple juice on the pharmacokinetics of fexofenadine and midazolam in humans               
    Junko Imanaga, Tsutomu Kotegawa, Hiromitsu Imai, Kimiko Tsutsumi, Tsuneaki Yoshizato, Tetsuji Ohyama, Yoshiyuki Shirasaka, Ikumi Tamai, Tomonori Tateishi and Kyoichi Ohashi
    Pharmacogenetics and Genomics, 2011
  • MODELING TRANSITION PROBABILITIES AND DURATION TIME FOR EVENT HISTORY DATA               
    Natsumi Yamashita, Eiko Nagata, Tetsuji Ohyama, Takashi Yanagawa
    Bulletin of Informatics and Cybernetics, 2010
  • DIVERSITY OF HUMAN FINGER VEIN PATTERNS AND ITS APPLICATION TO PERSONAL IDENTIFICATION               
    Takashi Yanagawa, Satoshi Aoki and Tetsuji Ohyama
    Bulletin of Informatics and Cybernetics, 2009
  • Estimating population characteristics by incorporating prior values in stratified random sampling/ranked set sampling               
    Tetsuji Ohyama, Jimmy A. Doi, Takashi Yanagawa
    Journal of Statistical Planning and Inference, 2008
  • Quantitative Bioimaging Analysis of Gonads in olvas-GFP/ST-II YI Medaka (Transgenic Oryzias latipes) Exposed to Ethinylestradiol               
    Takeshi Hano, Yuji Oshima, Masato Kinoshita, Minoru Tanaka, Noriko Mishima, Tetsuji Ohyama, Takashi Yanagawa, Yuko Wakamatsu, Kenjiro Ozato, and Tsuneo Honjo
    Environmental Science & Technology, 2007
  • 共通オッズ比を用いるHardy-Weinberg平衡の検証               
    大山哲司, 吉村公雄, 柳川堯
    計量生物学, 2006
■ MISC
  • 医学研究における“信頼性”の評価               
    大山哲司
    電子情報通信学会技術研究報告, 2023
  • The Bayesian approach to evidence-based decision making               
    Furukawa K, Ohyama T
    Journal of Hepato-Biliary-Pancreatic Sciences, 2021
■ Books and other publications
  • 信頼性と妥当性の検証               
    大山哲司, Contributor
    臨床研究アウトプット術,中外医学社, Feb. 2020
■ Lectures, oral presentations, etc.
  • 主要評価指標を順序カテゴリーで評価する場合の臨床試験の検定               
    緒方涼太; 大山哲司; 柳川堯
    日本計量生物学会年会, May 2024
  • 医学研究における“信頼性”の評価               
    大山哲司
    信頼性研究会, Sep. 2023
  • 学内成績を用いた臨床検査技師国家試験点数の予測モデルに基づく学習指導               
    吉野千代; 大山哲司; 糸山貴子; 棚町千代子; 武谷三恵; 古川恭治; 西昭徳
    第16回日本臨床検査学教育学会学術集会, Aug. 2022
  • 日本門脈圧亢進症の技術認定制度とその審査の妥当性               
    太田正之; 村島直哉; 大山哲司; 吉田智治; 川中博文; 橋爪誠; 中村真一; 近森文夫; 江口晋; 田尻孝; 小原勝敏; 國分茂博
    第103回日本消化器内視鏡学会総会, May 2022
  • 予測モデル作成のための基礎知識               
    大山哲司
    第19回久留米大学バイオ統計学フォーラム, Oct. 2021
  • 複数または層別された一致性研究における一致係数AC1の均一性検定と共通AC1の推定               
    本田主税; 大山哲司
    統計関連学会連合大会, Sep. 2019
  • 治験に関与することが被験者の疾患に及ぼす影響の調査(パイロット調査)               
    島田英明; 岡村圭祐; 阿部一朗; 大山哲司; 中村いくみ; 久木田和泉; 脇環; 井上千加; 浦田秀則; 小林邦久; 今給黎修
    第39回日本臨床薬理学会学術総会, Jul. 2018
  • The preventive effect of DHL-HisZnNa, an α-lipoic acid derivative, for chemotherapy-induced alopecia: a single-arm phase 3 study               
    Noriko Sagawa; Yohei Kono; Shinji Ohno; Hiroji Iwata; Hiroko Bando; Tetsuji Ohyama; Naoto Kondo; Kentaro Nakajima; Takahiro Hiratsuka; Masafumi Inomata; Seigo Kitano
    ASCO cancer survivorship symposium, Feb. 2018
  • Short-term outcomes from a multi-institutional, phase III study of laparoscopic versus open distal gastrectomy with D2 lymph node dissection for locally advanced gastric cancer (JLSSG0901)               
    Sang-woong Lee; Tsuyoshi Etoh; Tetsuji Ohyama; Noriyuki Inaki; Shinichi Sakuramoto; Kazuhiro Yoshida; Keisuke Koeda; Kei Hosoda; Chikara Kunisaki; Kazuyuki Kojima; Takashi Yasuda; Akinori Takagane; Kazunari Misawa; Takahiro Kinoshita; Kazuhito Yajima; Shuji Takiguchi; Naoki Hiki; Norio Shiraishi; Seigo Kitano; he Japanese; Laparoscopic Surgery; Study Group
    ASCO Annual Meeting, Jun. 2017
  • スリーブ状胃切除後の糖尿病寛解予測にABCDスコアとDiaRemスコアはどちらが有用か?               
    太田正之; 遠藤裕一; 高山洋臣; 嵯峨邦裕; 多田和裕; 岩下幸雄; 内田博喜; 平下禎二郎; 大山哲司; 猪股雅史
    第117回日本外科学会定期学術集会, Apr. 2017
  • 2つの対数正規母集団における平均の比の推定               
    大山哲司; 江島伸興
    日本行動計量学会第43回大会, Sep. 2015
  • 2つの独立な対数正規分布の平均の比の推定               
    大山哲司
    日本計算機統計学会第29回大会, May 2015
  • 処置前後に観察された連続Bounded Outcome Scoresに対する2変量反応モデル               
    大山哲司
    科研費シンポジウム「バイオ統計学の挑戦と貢献」, Feb. 2015
  • A statistical model for pre-post studies with continuous bounded outcome scores               
    Tetsuji Ohyama; Yuki Suzaki; Nobuoki Eshima
    International Statistical Institute Regeonal Statistics Conference, Nov. 2014
  • 連続な bounded outcome score の処置前後変化解析のための2変量反応モデル               
    大山哲司; 須崎友紀; 江島伸興
    日本行動計量学会第42回大会, Sep. 2014
  • 連続な bounded outcome score の処置前後変化に対する2変量ベータ分布に基づく解析               
    大山哲司; 須崎友紀; 江島伸興
    日本計算機統計学会第28回大会, May 2014
  • Effects of the OATP2B1 C1457 Polymorphism and apple juice on the pharmacokinetics and pharmacodynamics of acebutolol in humans               
    Tsutom Kotegawa; In-Jin Jang; Ichiro Ieiri; Shinya Uchida; Hiromitsu Imai; Seokuee Kim; Masato Fukae; Tetsuji Ohyama; Hajime Hamasaki; Kimiko Tsutsumi; Eiji Uchida; Kyoichi Ohashi
    第34回日本臨床薬理学会年会, Dec. 2013
  • 処置前後での連続な bounded outcome score の変化に対する2変量ベータ分布を用いた解析               
    大山哲司; 江島伸興
    日本計算機統計学会第27回シンポジウム, Nov. 2013
  • 医師に求められるコンピテンシーの系統的教育:より実践的な卒前教育のためのSP参加型教育プログラムの構築               
    小手川勤; 今井浩光; 関口愛; 大山哲司; 浜崎一; 大橋京一
    第45回医学教育学会, Jul. 2013
  • 全身性エリテマトーデスの維持療法におけるタクロリムス血中濃度とCYP3A5遺伝子多型との関連               
    浜崎一; 今井浩光; 石井宏治; 前島圭佑; 鈴木陽介; 大山哲司; 小手川勤; 大橋京一
    第33回日本臨床薬理学会年会, Dec. 2012
  • 層別無作為抽出法において事前情報と補助変数を組み込んだ母集団特性値の推定               
    大山哲司
    統計関連学会連合大会, Sep. 2012
  • ブプレノルフィンの薬理作用におけるオピオイドμ1受容体遺伝子多型(118A>G)の影響               
    今井浩光; 森田美咲; 森田元; 大山哲司; 伊藤田瑛子; 須崎友紀; 森本卓哉; 小手川勤; 田中紫茉子; 内田信也; 並木徳之; 大橋京一
    第32回日本臨床薬理学会年会, Dec. 2011
  • オセルタミビル(タミフル®)の薬物動態に及ぼすCES1A遺伝子多型の影響               
    須崎友紀; 森本卓哉; 伊藤田瑛子; 高田誠; 今井浩光; 大山哲司; 濱崎一; 上村尚人; 廣田和仁; 稲野彰洋; 立石正登; 大橋京一
    第32回日本臨床薬理学会年会, Dec. 2011
  • Quazepamの薬理効果に及ぼす代謝物N-desalkyl-2-oxoquazepamの関与について               
    大山哲司; 小手川勤; 堤喜美子; 倉成正恵; 今井浩光; 大橋京一; 中野重行
    第32回日本臨床薬理学会年会, Dec. 2011
  • Path analysis of generalized linear models based on the entropy coefficient               
    Eshima, N.; Ohyama, T.; Tabata, M.; Asano, C.
    The 10th China-Japan symposium on Statistics, Oct. 2010
  • 一般化線形モデルのパス分析               
    江島伸興; 大山哲司
    統計関連学会連合大会, Sep. 2010
  • Estimating Population Characteristics by Incorporating Prior Values in Stratified Random Sampling/Ranked Set Sampling               
    大山哲司; Jimmy A. Doi; 柳川堯
    大分統計談話会, Feb. 2009
  • Modeling Transition Probabilities and Duration Time for Event History Data               
    Tetsuji Ohyama; Natsumi Yamashita; Eiko Nagata; Takashi Yanagawa
    Kurume International Symposium on Biostatistics, Jan. 2009
  • 異なったイベントの繰り返しを持つ追跡データのマルコフモデリング               
    山下夏美; 永田榮子; 大山哲司; 柳川堯
    統計関連学会連合大会, Sep. 2008
  • Estimating Population Characteristics by Incorporating Prior Values in Stratified Random Sampling/Ranked Set Sampling               
    大山哲司; Jimmy A. Doi; 柳川堯
    久留米大学バイオ統計フォーラム, Sep. 2007
  • Empirical Bayes estimator in stratified random sampling / ranked set sampling               
    大山哲司; Jimmy A. Doi; 柳川堯
    統計関連学会連合大会, Sep. 2007
  • Empirical Bayes estimator in stratified random sampling / ranked set sampling               
    Tetsuji Ohyama; Jimmy A. Doi; Takashi Yanagawa
    Joint Statistical Meeting20, Jul. 2007
  • 指静脈の多様性と生体認証への応用               
    柳川堯; 青木敏; 大山哲司
    応用統計学会, May 2007
  • 共通オッズ比を用いるHardy-Weinberg平衡の検証               
    大山哲司; 吉村公雄; 柳川堯
    日本計量生物学会, May 2005
■ Affiliated academic society
  • Apr. 2020
    日本腹部救急医学会               
  • 2013
    日本計算機統計学会               
  • 2011
    日本臨床薬理学会               
  • 2005
    日本計量生物学会               
  • American Statistical Association