Abstract
Background and Aim: There is paucity of data regarding the epidemiology of pediatric IBD in Asia compared to that of Western countries. We aimed to investigate the incidence and prevalence trends of pediatric inflammatory bowel disease (IBD) in the Daegu-Kyungpook province of South Korea from 2017 to 2020.Methods: This study was a multicenter, retrospective study conducted in eight IBD referral centers located in the Daegu-Kyungpook province. Children and adolescents of ≤18 years who were initially diagnosed with IBD between 2017 and 2020 were included. The annual number of children and adolescents newly diagnosed with IBD and the annual resident population of children and adolescents ≤18 years of age in the Daegu-Kyungpook province were investigated to calculate the annual incidence and prevalence in the region.Results: A total 304 children and adolescents that had been diagnosed with IBD were included in this study. Among these patients, 71.4% had been diagnosed with Crohn's disease (CD), and 28.6% with ulcerative colitis (UC). The population based annual incidences of IBD from 2017 to 2020 were each 7.24, 6.82, 10.27, and 13.33 per 100,000, respectively (P for trend <0.001), 4.48, 5.26, 7.39, and 9.8 per 100,000, respectively, for CD (P for trend <0.001), and 2.76, 1.56, 2.88, and 3.53 per 100,000, respectively, for UC (P for trend = 0.174).Conclusion: Pediatric IBD, especially CD has significantly increased recently in the Daegu-Kyungpook province. Epidemiology studies from other regions of Asia are required to better elucidate this trend of increase in Asia.
Highlights
The prevalence and incidence of pediatric inflammatory bowel disease (IBD) have increased rapidly worldwide over the past two decades
Children and adolescents of ≤18 years who were initially diagnosed with IBD between January 1, 2017 and December 31, 2020 were included
Birth date, diagnosis date, diagnosis age, and type of IBD were retrieved from electronic medical charts by searching for diagnosis codes of 555.X and K50.XX for Crohn’s disease (CD) and 556.X and K51.XX for ulcerative colitis (UC) according to the ICD-9 and ICD-10 codes, respectively
Summary
The prevalence and incidence of pediatric inflammatory bowel disease (IBD) have increased rapidly worldwide over the past two decades. While the incidence of adult IBD is stagnant in some Western countries, the incidence in Asian countries, such as Japan, Korea and Singapore, is still on a rise [2,3,4,5]. This difference in incidence trends between countries according to geographical location in adults has been observed in children with IBD [6,7,8]. We aimed to investigate the incidence and prevalence trends of pediatric inflammatory bowel disease (IBD) in the Daegu-Kyungpook province of South Korea from 2017 to 2020
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