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Inflamm Bowel Dis. 2011 Dec;17(12):2541-50. doi: 10.1002/ibd.21654. Epub 2011 Mar 4.

Pediatric inflammatory bowel disease: increasing incidence, decreasing surgery rate, and compromised nutritional status: A prospective population-based cohort study 2007-2009.

Author information

1
Department of Pediatrics, Hvidovre University Hospital, Copenhagen, Denmark. Christian.jakobsen@hvh.regionh.dk

Abstract

BACKGROUND:

The aim was to evaluate the incidence, treatment, surgery rate, and anthropometry at diagnosis of children with inflammatory bowel disease (IBD).

METHODS:

Patients diagnosed between January 1, 2007 to December 31, 2009 in Eastern Denmark, Funen, and Aarhus were included from a background population of 668,056 children <15 years of age. For evaluation of incidence, treatment, and surgery rate, a subcohort from Eastern Denmark was extracted for comparison with a previously published population-based cohort from the same geographical area (1998-2006).

RESULTS:

In all, 130 children with IBD: 65 with Crohn's disease (CD), 62 with ulcerative colitis (UC), and three with IBD unclassified (IBDU) were included. The mean incidence rates per 10(6) in 2007-2009 were: IBD: 6.4 (95% confidence interval [CI]: 5.4-7.7), CD: 3.2 (2.5-4.1), UC: 3.1 (2.4-4.0) and IBDU: 0.2 (0.05-0.5). Comparing the two cohorts from Eastern Denmark we found higher incidence rates for IBD (5.0 and 7.2 in 1998-2000 and 2007-2009, respectively, P = 0.02) and CD (2.3 versus 3.3, P = 0.04). Furthermore, we found a significant decrease in surgery rates (15.8/100 person-years versus 4.2, P = 0.02) and an increase in the rate of initiating immunomodulators (IM) within the first year (29.0/100 person-years versus 69.2, P < 0.001). IM use was associated with a trend towards a decreased surgery risk (relative risk [RR] 0.38; 0.15-1.0). Children with CD had poor nutritional status at diagnosis compared with the general pediatric population.

CONCLUSIONS:

Over the past 12 years we found an increase in the incidence of IBD in children, an increasing use of IM, and decreasing 1-year surgery rates. CD patients had poor nutritional status.

PMID:
21381152
DOI:
10.1002/ibd.21654
[Indexed for MEDLINE]

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