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A Method of Comparison for Standardized Rates of Low-Incidence Events

 

作者: K. Carriere*,   Leslie Roos†,  

 

期刊: Medical Care  (OVID Available online 1997)
卷期: Volume 35, issue 1  

页码: 57-69

 

ISSN:0025-7079

 

年代: 1997

 

出版商: OVID

 

关键词: epidemiologic methods;low incidence;standardized;poisson distribution

 

数据来源: OVID

 

摘要:

The authors present an approximate but simple approach to comparing age-gender standardized rates of low-incidence events (mortality or morbidity) rates across several geographic areas. The presented method will be useful particularly when a person-level database, one that includes unique person identifiers, is not available. We specify conditions under which comparisons can be made without calculating empirical standard errors and worrying unduly about recurrent events. To compare indirectly standardized rates, only information on the size, the crude rate, and the standardized rate of the areas are needed. For comparing directly standardized rates, which requires stratum-specific rates, the method also requires stratum-specific total numbers of events and individuals but does not require person-level information. The proposed approach builds on previous work comparing rates using person-level data.

 



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