Misclassification of incident conditions using claims data: impact of varying the period used to exclude pre-existing disease.

BACKGROUND: Estimating the incidence of medical conditions using claims data often requires constructing a prevalence period that predates an event of interest, for instance the diagnosis of cancer, to exclude those with pre-existing conditions from the incidence risk set. Those conditions missed d...

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Detalhes bibliográficos
Principais autores: Griffiths, R, O'Malley, C, Herbert, R, Danese, MD
Formato: Journal article
Idioma:English
Publicado em: BioMed Central 2013