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Positive predictive value of peptic ulcer diagnosis codes in the Danish National Patient Registry
BACKGROUND: Diagnoses of peptic ulcer are registered in the Danish National Patient Registry (DNPR) for administrative as well as research purposes, but it is unknown whether the coding validity depends on the location of the ulcer. OBJECTIVE: To validate the International Classification of Diseases...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Dove Medical Press
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5426472/ https://www.ncbi.nlm.nih.gov/pubmed/28503076 http://dx.doi.org/10.2147/CLEP.S132628 |