Abstract #301013

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JSM 2002 Abstract #301013
Activity Number: 175
Type: Contributed
Date/Time: Tuesday, August 13, 2002 : 8:30 AM to 10:20 AM
Sponsor: Section on Statistics in Epidemiology*
Abstract - #301013
Title: Interval Estimation of Relative Difference in a Series of 2x2 Tables
Author(s): Kung-Jong Lui*+
Affiliation(s): San Diego State University
Address: 5500 Campanile Dr., San Diego, California, 92182, USA
Keywords: relative difference ; interval estimation ; coverage probability ; average length ; meta analysis
Abstract:

To assess the efficacy of a new vaccine or the effect a risk factor, we may use the relative difference (RD). We develop five asymptotic interval estimators of the RD for a series of independent 2x2 tables. We employ Monte Carlo simulation to evaluate the performance of these estimators. We include an example studying the protection effect of taking aspirin on reducing all the cause mortality in post-myocardial infarction patients to illustrate the practical usefulness of these estimators.

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Revised March 2002