| Epidemiology of Inflammatory Bowel Disease: Is There a Shift Towards Onset at a Younger Age? | |
MedLine Citation:
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PMID: 21788753 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVES:: Increasing numbers of paediatric and adolescent patients with Crohn disease (CD) and ulcerative colitis (UC) are reported. To determine whether this observation is a consequence of a shift towards onset at a younger age, we analysed retrospective data from patients enrolled in the Swiss IBD Cohort Study (SIBDCS). PATIENTS AND METHODS:: The SIBDCS is a disease-based cohort in Switzerland, which collects retrospective and prospective data on a large sample of patients with inflammatory bowel disease (IBD). Patients, diagnosed from 1980, were stratified according to diagnosis of CD and UC. Age at disease onset (age at first symptoms and age at diagnosis) was analysed in relation to calendar year of disease onset. Data were extracted from physician and patient questionnaires. Linear regressions of age at disease onset by calendar year of disease onset adjusted by sex, country of birth, and education were performed. RESULTS:: Adjusted regression coefficients for CD and UC were significantly positive, that is, age at disease onset has increased with time. Male sex was associated with an increase in age at disease onset, and birth in Switzerland with a decrease. These associations were statistically significant. CONCLUSIONS:: The results from the SIBDCS do not support the hypothesis that disease onset of both CD and UC occur today at a younger age. On the contrary, our results show that there is a significant trend for age at disease onset occurring at an older age today as compared with recent decades. We conclude that the observation of increasing numbers of paediatric and adolescent patients with IBD is not caused by a trend towards disease onset at a younger age, but that this may rather be a consequence of the overall increasing incidence of these conditions. |
Authors:
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Christian P Braegger; Pierluigi Ballabeni; Daniela Rogler; Stephan R Vavricka; Michael Friedt; Valérie Pittet; |
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Publication Detail:
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Type: JOURNAL ARTICLE |
Journal Detail:
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Title: Journal of pediatric gastroenterology and nutrition Volume: 53 ISSN: 1536-4801 ISO Abbreviation: - Publication Date: 2011 Aug |
Date Detail:
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Created Date: 2011-7-26 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8211545 Medline TA: J Pediatr Gastroenterol Nutr Country: - |
Other Details:
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Languages: ENG Pagination: 141-144 Citation Subset: - |
Affiliation:
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*Division of Gastroenterology and Nutrition, University Children's Hospital Zurich †Healthcare Evaluation Unit, Institute of Social and Preventive Medicine (IUMSP), Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne ‡Division of Gastroenterology, University Hospital Zurich, Switzerland. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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