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Validity of a stroke severity index for administrative claims data research: a retrospective cohort study
BACKGROUND: Ascertaining stroke severity in claims data-based studies is difficult because clinical information is unavailable. We assessed the predictive validity of a claims-based stroke severity index (SSI) and determined whether it improves case-mix adjustment. METHODS: We analyzed patients with...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2016
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5034530/ https://www.ncbi.nlm.nih.gov/pubmed/27660046 http://dx.doi.org/10.1186/s12913-016-1769-8 |