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Utilizing national patient-register data to control for comorbidity in prognostic studies
OBJECTIVE: To construct an updated comorbidity index (Patient Register Index [PRI]) using national data collections from Norway and compare its predictive ability of 1-year mortality with the Charlson Comorbidity Index (CCI). MATERIALS AND METHODS: Data regarding over 1.11 million patients registere...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Dove Medical Press
2014
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4216019/ https://www.ncbi.nlm.nih.gov/pubmed/25368532 http://dx.doi.org/10.2147/CLEP.S70742 |