Anemia is associated with the risk of Crohn's disease, not ulcerative colitis: A nationwide population-based cohort study.

ABSTRACT: Anemia is a common manifestation of inflammatory bowel disease (IBD), but it remains unclear whether anemia is associated with the development of IBD. We assessed the risk of developing IBD in anemic patients, and stratified the results with respect to their hemoglobin concentrations. A population-based study was conducted using the National Healthcare Insurance Service database in South Korea. We included individuals over 20 years' old who participated in the national health screening program in 2009 (n = 9,962,064). Anemia was defined as a hemoglobin level less than 13 g/dL in men and less than 12 g/dL in women. We compared the rate of newly diagnosed IBD in anemic patients and non-anemic individuals. Newly diagnosed IBD was identified using both the ICD-10 medical code and specialized V

SUBMITTER: Kang EA 

PROVIDER: S-EPMC7478647 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature