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Sensitivity is not an intrinsic property of a diagnostic test: empirical evidence from histological diagnosis of Helicobacter pylori infection

BACKGROUND: We aimed to provide empirical evidence of how spectrum effects can affect the sensitivity of histological assessment of Helicobacter pylori infection, which may contribute to explain the heterogeneity in prevalence estimates across populations with expectedly similar prevalence. METHODS:...

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Detalles Bibliográficos
Autores principales: Lunet, Nuno, Peleteiro, Bárbara, Carrilho, Carla, Figueiredo, Céu, Azevedo, Ana
Formato: Texto
Lenguaje:English
Publicado: BioMed Central 2009
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2804658/
https://www.ncbi.nlm.nih.gov/pubmed/20034390
http://dx.doi.org/10.1186/1471-230X-9-98