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Clinical Epidemiology Volume 13, 2021 - Issue
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Original Research

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 Rye1 Research Unit for Molecular Diagnostics and Clinical Research, Institute for Regional Health Research-Center of Southern Jutland, University Hospital of Southern Denmark, Aabenraa, Denmark;2 OPEN - Open Patient Data Explorative Network, Department of Clinical Research, University of Southern Denmark and Odense University Hospital, Odense, DenmarkORCID Iconhttps://orcid.org/0000-0002-8452-1027View further author information
ORCID Icon,
Katrine Hass Rubin2 OPEN - Open Patient Data Explorative Network, Department of Clinical Research, University of Southern Denmark and Odense University Hospital, Odense, DenmarkORCID Iconhttps://orcid.org/0000-0001-5045-536XView further author information
ORCID Icon,
Frederik Trier Moller3 Department of Epidemiological Research, Statens Serum Institute, Copenhagen, Denmark;4 Department of Infectious Disease Epidemiology and Prevention, Statens Serum Institute, Copenhagen, DenmarkORCID Iconhttps://orcid.org/0000-0002-1059-4661View further author information
ORCID Icon,
Mette Julsgaard5 Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, DenmarkORCID Iconhttps://orcid.org/0000-0003-3070-8950View further author information
ORCID Icon,
Tine Jess6 Center for Clinical Research and Prevention, Bispebjerg and Frederiksberg Hospital, Copenhagen, DenmarkORCID Iconhttps://orcid.org/0000-0002-4391-7332View further author information
ORCID Icon &
Vibeke Andersen1 Research Unit for Molecular Diagnostics and Clinical Research, Institute for Regional Health Research-Center of Southern Jutland, University Hospital of Southern Denmark, Aabenraa, Denmark;2 OPEN - Open Patient Data Explorative Network, Department of Clinical Research, University of Southern Denmark and Odense University Hospital, Odense, Denmark;7 Institute of Molecular Medicine, University of Southern Denmark, Odense, DenmarkCorrespondence[email protected]
ORCID Iconhttps://orcid.org/0000-0002-0127-2863View further author information
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Pages 335-344 | Published online: 24 May 2021

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Henrik Albaek Jacobsen, Tine Jess & Lone Larsen. (2022) Validity of Inflammatory Bowel Disease Diagnoses in the Danish National Patient Registry: A Population-Based Study from the North Denmark Region. Clinical Epidemiology 14, pages 1099-1109.
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Natalia Mouratidou, Petter Malmborg, Jacob Järås, Vignir Sigurdsson, Olof Sandström, Ulrika L Fagerberg, Gabriella Bröms, Jonas F Ludvigsson & Ola Olén. (2022) Identification of Childhood-Onset Inflammatory Bowel Disease in Swedish Healthcare Registers: A Validation Study. Clinical Epidemiology 14, pages 591-600.
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Yuelian Sun, Julie Werenberg Dreier, Chunsen Wu, Vera Ehrenstein & Jakob Christensen. (2022) Importance of Reporting Complete Procedures of Identifying Patients from the Danish National Patient Registry: The Case of Neonatal Jaundice and Epilepsy. Clinical Epidemiology 14, pages 445-452.
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Articles from other publishers (6)

Susan Hutfless, Ryan A Jasper, Aman Tilak, Tamoghna Ghosh, Saurabh Kedia, Simon Liu, Nathalie H Urrunaga, Matthew Josephson, Arshit Narang, Steve Miller, Po-Hung Chen, Shelly Joseph & Steven R Brant. (2023) A Systematic Review of Crohn’s Disease Case Definitions in Administrative or Claims Databases. Inflammatory Bowel Diseases 29:5, pages 705-715.
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Hans Lovén, Rune Erichsen, Anders Tøttrup & Thue Bisgaard. (2023) Risk of incisional hernia repair in patients with inflammatory bowel disease. Colorectal Disease 25:5, pages 964-975.
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Tai RenYongfu YuHui WangFei LiJun ZhangJiong Li. (2023) Maternal Inflammatory Bowel Disease During Pregnancy and Infectious Disease in Offspring Younger Than 5 Years: A Population-Based Cohort Study. American Journal of Gastroenterology 118:3, pages 491-500.
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Rasmus Hvidbjerg Gantzel, Jos Dalvad Vesterdal, Anne-Mette Haase, Alice Juhl Petersen, Henning Grønbæk & Michael Lynge Pedersen. (2023) The Prevalence of Inflammatory Bowel Disease in Greenland. Inflammatory Bowel Diseases.
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Jakob Rønnow Sand, Frederikke Schønfeldt Troelsen, Erzsébet Horváth‐Puhó, Victor W. Henderson, Henrik Toft Sørensen & Rune Erichsen. (2022) Risk of dementia in patients with inflammatory bowel disease: a Danish population‐based study. Alimentary Pharmacology & Therapeutics 56:5, pages 831-843.
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Nathalie Fogh Rasmussen, Anders Green, Kristine Højgaard Allin, Aske T Iversen, Gunvor Iben Madsen, Andreas Kristian Pedersen, Donna Lykke Wolff, Tine Jess & Vibeke Andersen. (2022) Clinical procedures used to diagnose inflammatory bowel disease: real-world evidence from a Danish nationwide population-based study. BMJ Open Gastroenterology 9:1, pages e000958.
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