Confidence limits for the ratio of two rates based on likelihood scores: non-iterative method

This paper describes a method for creating a confidence interval for the ratio of rates using the score statistic. This non‐iterative and easy to apply procedure produces confidence intervals that are suitable for use with Poisson data and simulation results indicate that it is close to the nominal...

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Bibliographic Details
Published in:Statistics in medicine 2003-06, Vol.22 (12), p.2071-2083
Main Authors: Graham, P. L., Mengersen, K., Morton, A. P.
Format: Article
Language:English
Subjects:
Biological and medical sciences
Breast Neoplasms - etiology
confidence interval
confidence interval, coverage probability
Confidence Intervals
coverage probability
Data Interpretation, Statistical
Female
Fluoroscopy - adverse effects
Humans
Likelihood Functions
Medical sciences
Poisson Distribution
Poisson rates
rate ratio
Tuberculosis - diagnosis
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Summary:This paper describes a method for creating a confidence interval for the ratio of rates using the score statistic. This non‐iterative and easy to apply procedure produces confidence intervals that are suitable for use with Poisson data and simulation results indicate that it is close to the nominal level for a wide range of scenarios. Copyright © 2003 John Wiley & Sons, Ltd.
ISSN:0277-6715
1097-0258
DOI:10.1002/sim.1405