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Validation of ulcerative colitis and Crohn's disease and their phenotypes in the Danish National Patient Registry using a population-based cohort

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@article{33e0fdbc1b2d43ea846e1b79d03f71ff,
title = "Validation of ulcerative colitis and Crohn's disease and their phenotypes in the Danish National Patient Registry using a population-based cohort",
abstract = "INTRODUCTION: The Danish National Patient Registry (DNPR) has been the source of several epidemiological studies of inflammatory bowel disease (IBD). However, the validation dates back to 1996 and lacks outpatient records and disease classification. The aim of this study was to update the validation and assess the validity and reliability of using the registry in disease classification.METHODS: Validation of the registry was done using a population-based inception cohort of IBD patients from 2003 to 2011 consisting of 513 patients. Specificity and sensitivity were calculated for the diagnoses of Crohn's disease (CD) and ulcerative colitis (UC), age at diagnosis and disease classification according to the Montreal Classification at both time of diagnosis and end of follow-up.RESULTS: The registry showed high validity and reliability in identifying CD and UC patients concerning correct age classification and identifying perianal disease. The registry showed inconsistent, unreliable results in further disease classification.CONCLUSIONS: The DNPR has good validity and reliability in identifying patients with CD and UC, and defining the age of patients at diagnosis. However, categorising IBD patients according to the Montreal Classification should not be carried out using DNPR data in their current form, except when identifying CD patients with perianal disease.",
keywords = "Crohn{\textquoteright}s disease, Danish National Patient Registry, Inflammatory bowel disease, population-based cohort, ulcerative colitis, validation, Crohn's disease",
author = "Bobby Lo and Ida Vind and Vester-Andersen, {Marianne Kajb{\ae}k} and Johan Burisch",
year = "2020",
month = oct,
day = "2",
doi = "10.1080/00365521.2020.1807598",
language = "English",
volume = "55",
pages = "1171--1175",
journal = "Scandinavian Journal of Gastroenterology",
issn = "0036-5521",
publisher = "Taylor & Francis",
number = "10",

}

RIS

TY - JOUR

T1 - Validation of ulcerative colitis and Crohn's disease and their phenotypes in the Danish National Patient Registry using a population-based cohort

AU - Lo, Bobby

AU - Vind, Ida

AU - Vester-Andersen, Marianne Kajbæk

AU - Burisch, Johan

PY - 2020/10/2

Y1 - 2020/10/2

N2 - INTRODUCTION: The Danish National Patient Registry (DNPR) has been the source of several epidemiological studies of inflammatory bowel disease (IBD). However, the validation dates back to 1996 and lacks outpatient records and disease classification. The aim of this study was to update the validation and assess the validity and reliability of using the registry in disease classification.METHODS: Validation of the registry was done using a population-based inception cohort of IBD patients from 2003 to 2011 consisting of 513 patients. Specificity and sensitivity were calculated for the diagnoses of Crohn's disease (CD) and ulcerative colitis (UC), age at diagnosis and disease classification according to the Montreal Classification at both time of diagnosis and end of follow-up.RESULTS: The registry showed high validity and reliability in identifying CD and UC patients concerning correct age classification and identifying perianal disease. The registry showed inconsistent, unreliable results in further disease classification.CONCLUSIONS: The DNPR has good validity and reliability in identifying patients with CD and UC, and defining the age of patients at diagnosis. However, categorising IBD patients according to the Montreal Classification should not be carried out using DNPR data in their current form, except when identifying CD patients with perianal disease.

AB - INTRODUCTION: The Danish National Patient Registry (DNPR) has been the source of several epidemiological studies of inflammatory bowel disease (IBD). However, the validation dates back to 1996 and lacks outpatient records and disease classification. The aim of this study was to update the validation and assess the validity and reliability of using the registry in disease classification.METHODS: Validation of the registry was done using a population-based inception cohort of IBD patients from 2003 to 2011 consisting of 513 patients. Specificity and sensitivity were calculated for the diagnoses of Crohn's disease (CD) and ulcerative colitis (UC), age at diagnosis and disease classification according to the Montreal Classification at both time of diagnosis and end of follow-up.RESULTS: The registry showed high validity and reliability in identifying CD and UC patients concerning correct age classification and identifying perianal disease. The registry showed inconsistent, unreliable results in further disease classification.CONCLUSIONS: The DNPR has good validity and reliability in identifying patients with CD and UC, and defining the age of patients at diagnosis. However, categorising IBD patients according to the Montreal Classification should not be carried out using DNPR data in their current form, except when identifying CD patients with perianal disease.

KW - Crohn’s disease

KW - Danish National Patient Registry

KW - Inflammatory bowel disease

KW - population-based cohort

KW - ulcerative colitis

KW - validation

KW - Crohn's disease

UR - http://www.scopus.com/inward/record.url?scp=85089779379&partnerID=8YFLogxK

U2 - 10.1080/00365521.2020.1807598

DO - 10.1080/00365521.2020.1807598

M3 - Journal article

C2 - 32838593

VL - 55

SP - 1171

EP - 1175

JO - Scandinavian Journal of Gastroenterology

JF - Scandinavian Journal of Gastroenterology

SN - 0036-5521

IS - 10

ER -

ID: 60737743