Josué Guzmán Torres
    | Contact Info | Interests | Research | Publications | Teaching | Bio Sketch |

        *Contact Information
          Josué Guzmán Torres, PhD
          Professor
          Department of Biostatistics and Epidemiology
          Graduate School of Public Health
          Medical Sciences Campus, University of Puerto Rico
          PO Box 365067, San Juan, Puerto Rico, 00936-5067

          (787)758-2525 (ext. 1428)
          jguzman@rcm.upr.edu

          Foto


        *Interests

          Applied statistical theory and methods; probability sampling; categorical data analysis; regression modeling; Bayesian statistics; clinical trials; survival analysis; statistical computing.


        *Research

        • A comparative study between Clopidogrel and Ticlopidine: their Effectiveness in Recurrence Prevention, Adverse Effects, and Compliance. Department of Medicine, School of Medicine, Medical Sciences Campus, University of Puerto Rico. Submitted for publication, Circulation.
        • Open Label Study to Assess the Efficacy and Safety of Combined Therapy: Peg-Intron plus Rivabirin in Coinfected Patients (HIV plus HCV) Treated by HAART Regimen. PR Department of Health. Angeles Rodriguez, MD, Principal Investigator. In progress.
        • Combination Treatment, Radiation Therapy and Temozolomide for Newly Diagnosed Malignant Gliomas. L. Delgado, MD, Principal Investigator. In progress.
        • Continuous Health Study for Puerto Rico: A Probability Sampling Design. Department of Health of Puerto Rico; collaborative study with the Department of Biostatistics and Epidemiology, School of Public Health, Medical Sciences Campus, UPR, 1999.
        • A Probability Sampling Design for Hospital and Patients Selection in a Study of Low Weight at Birth in Puerto Rico. Department of Health of Puerto Rico; collaborative study with the Department of Biostatistics and Epidemiology, School of Public Health, Medical Sciences Campus, UPR, 1999.
        • A Probability Sampling Plan for the Study Titled: Evaluation of the Evaluation and Grading Methods Used by Middle School and Intermediate School Teachers of the Public Schools in Puerto Rico. U. P. R., Graduate School of Education, 1996.


        *Recent Publications

        • Journal Articles:
          • Review of Regression Models for Categorical Dependent Variables Using Stata. Puerto Rico Health Science Journal. Vol. 21 (1) March 2002.
          • Can Biomedical Researchers Benefit from Political Science Methodologists? Puerto Rico Health Sciences Journal. Vol. 19 (4) December 2000, pp. 393-397.
          • Alternative Methods of Statistical Analysis in Epidemiology: Frequentist, Likelihood, and Bayesian. Puerto Rico Health Sciences Journal, Vol. 19 (2), June 2000. With E Suárez, PhD and CM Pérez, PhD.
          • Depressive Symptomatology in Single Women Heads of Households in Puerto Rico: A Comparative Analysis. Women & Health, Vol. 23. No. 3, 1995, pp.1-18. Joint author.

        • Monographs:
          • Algebra de Matrices: Una Introducción. Departamento de Bioestadística y Epidemiología, Escuela Graduada de Salud Pública, Recinto de Ciencias Médicas, UPR. 20 de junio de 2002.
          • Statistics: What to Know About It? Presentation to the Puerto Rico Rheumatologists Association’s Annual Convention. 26 May 2002.
          • A Prevalence Study of Headache and Migraine Headache in Puerto Rico. Presentation at the Harvard School of Public Health. 10 June 2002.
          • Some Contributions of W. Edwards Deming to Statistical Theory and Methods. Manuscript, Department of Biostatistics and Epidemiology, School of Public Health, Medical Sciences Campus, UPR 14 September 2002.
          • Ethnicity and Predictors of Disease-Free Survival from Breast Cancer. (With L Newman, MD). Presentation at the Harvard School of Public Health, August 16, 2001.
          • W. Edwards Deming On Teaching and Research: Homage on the Occasion of His 100th Birthday. Manuscript, Department of Biostatistics and Epidemiology, School of Public Health, Medical Sciences Campus, UPR 14 October 2000.
          • Introduction to Clinical Trials: a Bayesian Perspective. Manuscript, Department of Biostatistics and Epidemiology, School of Public Health, Medical Sciences Campus, UPR 17 March 2000.
          • On the variance of the Odds Ratio. Manuscript, Department of Biostatistics and Epidemiology, School of Public Health, Medical Sciences Campus, UPR 25 December 1999.
          • On two alternative ways to obtain the variance of relative risk in a prospective study. Manuscript, Department of Biostatistics and Epidemiology, School of Public Health, Medical Sciences Campus, UPR 25 October 1999.
          • Some notes on adherence to treatment in HIV infected patients. Manuscript, Department of Biostatistics and Epidemiology, School of Public Health, Medical Sciences Campus, UPR 22 October 1999.
          • Some observations on the p-value and its Bayesian counterpart. Department of Biostatistics and Epidemiology, School of Public Health, Medical Sciences Campus, UPR. In progress.
          • Some Contributions of W. Edwards Deming to Statistical Theory and Methods. UPR, Río Piedras Campus, Faculty of Business Administration, Institute of Statistics, 1995.


        *Teaching (2002-2003)

        • BIOE 6525: Statistical Analysis
        • BIOE 6537: Non-Parametric Statistical Inference


        *Biographical Sketch

          Josué Guzmán is Professor of Biostatistics, School of Public Health, Medical Sciences Campus of the University of Puerto Rico. His interests include the application of statistical theory and methods to biomedical research, probability sampling, categorical data analysis, regression modeling, clinical trials, survival analysis, and statistical computing. Currently, he collaborates with biomedical researchers in topics like: headache and migraine headache prevalence in Puerto Rico, comparative trials on HIV plus HCV co-infected patients, on newly diagnosed malignant gliomas patients, color vision deficits in Albino subjects, and a prevalence study of erectile dysfunction in the San Juan Metropolitan Area of Puerto Rico.

          Dr. Guzmán was trained at the University of Puerto Rico where he received a BA degree in economics and mathematics. After teaching at the University of Puerto Rico for a year, he went to New York University where he received an MSc degree in Quantitative Methods and a PhD in Statistics. He also has studied courses on Clinical Trials, Principles of Epidemiology, and Survival Analysis at the Harvard School of Public Health under the Summer Session on Public Health Studies. Since 1997, he is member of the Department of Biostatistics and Epidemiology of the School of Public Health of the University of Puerto Rico. Dr. Guzmán made a collaborative research on disease-free survival in breast cancer, a comparative study between African American and Caucasian American of patients from Detroit, Michigan. He wants to extend the study and to include data on disease-free survival of Hispanic patients. In addition to his teaching duties, he supervises several master theses and community-based studies.

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    Last modified on June 9, 2003.