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Decomposition of Generalized Asymmetry Model for Square Contingency Tables

Open Journal of Statistics 2016年第3期6卷 405-411页

作者： shuji ando Hiroyuki Kurakami Data Management & Biostatistics Group Re-Examination Department Novartis Pharma K.K. Tokyo Japan Department of Information Sciences Faculty of Science and Technology Tokyo University of Science Chiba Japan

For the analysis of square contingency tables with same row and column ordinal classifications, the present paper gives the decomposition of the generalized linear diagonals-parameter symmetry model using the diagonals-parameter symmetry model. Moreover, it gives the decomposition of the symmetry model using above the proposed decomposition.

关键词： Diagonals-Parameter Symmetry Linear Diagonals-Parameter Symmetry Orthogonality Symmetry

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Alpha-fetoprotein before and after pegylated interferon therapy for predicting hepatocellular carcinoma development

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World Journal of Hepatology 2015年第19期7卷 2220-2228页

作者： Yasuto Takeuchi Fusao Ikeda Toshiya Osawa Yasuyuki Araki Kouichi Takaguchi Youichi Morimoto Noriaki Hashimoto Kousaku Sakaguchi Tatsuro Sakata Masaharu ando Yasuhiro Makino shuji Matsumura Hiroki Takayama Hiroyuki Seki Shintarou Nanba Yuki Moritou Tetsuya Yasunaka Hideki Ohnishi Akinobu Takaki Kazuhiro Nouso Yoshiaki Iwasaki Kazuhide Yamamoto Department of Gastroenterology and Hepatology Okayama University Graduate School of Medicine Dentistry and Pharma- ceutical Sciences Department of Molecular Hepatology Okayama University Graduate School of Medicine Dentistry and Pharma- ceutical Sciences Department of Internal Medicine Okayama Saiseikai General Hospital Department of Internal Medicine Hiroshima City Hospital Department of Internal Medicine Kagawa Prefectural Central Hospital Department of Internal Medicine Kurashiki Central Hospital Department of Internal Medicine Mihara Red Cross hospital Department of Internal Medicine Fukuyama City Hospital Department of Internal Medicine National Hospital Organization Fukuyama Clinical Center Department of Internal Medicine Mitoyo General Hospital Department of Gastroenterology National Hospital Organization Iwakuni Clinical Center Department of Internal Medicine Sumitomo Besshi Hospital Department of Gastroenterology Tsuyama Central Hospital Health Service Center Okayama University

AIM: To investigate factors that accurately predict hepatocellular carcinoma(HCC) development after antiviral therapy in chronic hepatitis C(CHC) patients. METHODS: CHC patients who received pegylated interferon and ribavirin were enrolled in this cohort study that investigated the ability of alpha-fetoprotein(AFP) to predict HCC development after interferon(IFN) therapy. RESULTS: Of 1255 patients enrolled, 665 developed sustained virological response(SVR) during mean follow-up period of 5.4 years. HCC was occurred in 89 patients, and 20 SVR patients were included. Proportional hazard models showed that HCC occurred in SVR patients showing AFP ≥ 5 ng/m L before therapy and in non-SVR patients showing AFP ≥ 5 ng/m L before and 1 year after therapy besides older age, and low platelet counts. SVR patients showing AFP ≥ 5 ng/m L before therapy and no decrease in AFP to < 5 ng/m L 1 year after therapy had significantly higher HCC incidence than non-SVR patients showing AFP ≥ 5 ng/m L before therapy and decreased AFP(P = 0.043). AFP ≥ 5 ng/m L before therapy was significantly associated with low platelet counts and high values of alanine aminotransferase(ALT) in stepwise logistic regression analysis. After age, gender, platelet count, and ALT was matched by propensity score, significantly lower HCC incidence was shown in SVR patients showing AFP < 5 ng/m L before therapy than in those showing AFP ≥ 5 ng/m ***: The criteria of AFP < 5 ng/m L before and 1 year after IFN therapy is a benefical predictor for HCC development in CHC patients.

关键词： Hepatitis C virus Interferon Hepatocellular carcin

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