Positive predictive value of respiratory infection diagnoses in the Danish National Patient Registry: A post hoc validation analysis of the DANFLU-1 trial

Objectives: To validate respiratory infection diagnosis codes in the Danish National Patient Registry (DNPR) in the DANFLU-1 feasibility trial, and to assess whether reperforming effectiveness analyses with validated events altered findings. Methods: Hospitalizations for influenza or pneumonia (Inte...

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Principais autores:	Jacob Christensen, Niklas Dyrby Johansen, Katrine Feldballe Bernholm, Julie Inge-Marie Helene Borchsenius, Kira Hyldekær Janstrup, Daniel Modin, Kristoffer Grundtvig Skaarup, Joshua Nealon, Sandrine Samson, Matthew Loiacono, Youjun Huang, Rebecca Harris, Carsten Schade Larsen, Anne Marie Reimer Jensen, Nino Emanuel Landler, Brian L. Claggett, Scott D. Solomon, Gunnar H. Gislason, Lars Køber, Martin J. Landray, Pradeesh Sivapalan, Jens Ulrik Stæhr Jensen, Tor Biering-Sørensen
Formato:	Artigo
Idioma:	Inglês
Publicado:	Elsevier 2026-07-01
Series:	International Journal of Infectious Diseases
Assuntos:	Positive predictive value Pneumonia ICD-10 Danish National Patient Registry DANFLU-1 High-dose influenza vaccine
Acceso en liña:	http://www.sciencedirect.com/science/article/pii/S1201971226003383
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