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Meta-analysis of incidence rate data in the presence of zero events
BACKGROUND: When summary results from studies of counts of events in time contain zeros, the study-specific incidence rate ratio (IRR) and its standard error cannot be calculated because the log of zero is undefined. This poses problems for the widely used inverse-variance method that weights the st...
Autores principales: | Spittal, Matthew J, Pirkis, Jane, Gurrin, Lyle C |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2015
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4422043/ https://www.ncbi.nlm.nih.gov/pubmed/25925169 http://dx.doi.org/10.1186/s12874-015-0031-0 |
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