Positive Predictive Value of Diagnostic Codes for Inflammatory Bowel Disease in the Danish National Patient Registry Among Individuals 50+ Years, Using Patient Records as Reference Standard.

Camilla Rye Katrine Hass Rubin Frederik Trier Møller Mette Julsgaard Tine Jess Vibeke Andersen

Published in: Clinical epidemiology (2021)

Validity of IBD diagnoses in the registry of individuals aged 50+ years increased with the number of registrations. It is recommended that these results are taken into consideration in future studies, especially in epidemiology research using NPR as a data source for patients diagnosed with IBD.

Keyphrases

end stage renal disease
case report
ejection fraction
newly diagnosed
chronic kidney disease
peritoneal dialysis
ulcerative colitis
prognostic factors
risk factors
current status
patient reported outcomes
big data
deep learning
case control