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Epi Seminar Series

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Tuesday, December 3, 2013
3:30 pm to 4:50 pm
Health Sciences K-069

"The withholding of test results as a means of assessing the effectiveness of treatment in test-positive persons"



Noel Weiss, MD, DrPH

Professor of Epidemiology
Member, Fred Hutchinson Cancer Research Center



In recent years, a number of studies have achieved randomization of patients to alternative management strategies by blinding some patients (and their providers of care) to the results of tests that guide such strategies. Although this research approach has the potential to be a powerful means of measuring treatment effectiveness, the interpretation of the results may not be straightforward if the treatment received by test-positive persons is variable or not well-documented, or if the analysis is not restricted to outcomes in test-positive persons.

About the Speaker:

Noel S. Weiss, MD, DrPH, has been a faculty member at the University of Washington and at the Fred Hutchinson Cancer Research Center since 1973.  At the Center, he has investigated the epidemiology of gynecologic and other forms of cancer.  Dr. Weiss has also worked extensively in the areas of clinical epidemiology and epidemiologic methods.  He is the author of Clinical Epidemiology:  The Study of the Outcome of Illness (Third Edition), Exercises in Epidemiology, and (with Thomas Koepsell) Epidemiologic Methods: Studying the Occurrence of Illness.


Updated on September 23, 2013