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Patients developing...
Patients developing inflammatory bowel disease have iron deficiency and lower plasma ferritin years before diagnosis : a nested case-control study
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- Widbom, Lovisa (författare)
- Umeå universitet,Klinisk kemi
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- Ekblom, Kim, 1970- (författare)
- Umeå universitet,Klinisk kemi,Department of Research and Development, Region Kronoberg, Växjö
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- Karling, Pontus (författare)
- Umeå universitet,Avdelningen för medicin
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- Hultdin, Johan (författare)
- Umeå universitet,Klinisk kemi
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(creator_code:org_t)
- Lippincott Williams & Wilkins, 2020
- 2020
- Engelska.
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Ingår i: European Journal of Gastroenterology and Hepathology. - : Lippincott Williams & Wilkins. - 0954-691X .- 1473-5687. ; 32:9, s. 1147-1153
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https://doi.org/10.1...
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https://umu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Background: Iron deficiency is common among inflammatory bowel disease (IBD) patients, generally reported without comparisons with controls. The aim of this study was to analyse if iron deficiency was more common among those later developing IBD compared to matched controls in a prospective setting.Methods: We included 96 healthy subjects later developing IBD and 191 matched controls from the Northern Sweden Health and Disease Study. We analysed iron, ferritin, transferrin, and calculated transferrin saturation in plasma sampled at least 1 year prior to IBD diagnosis. Iron deficiency was defined as plasma ferritin <30 µg/L if C-reactive protein (CRP) was <3 mg/L. When CRP was >3 mg/L, iron deficiency could not be excluded if ferritin was <100 µg/L.Results: Iron deficiency could not be excluded among more male cases vs controls (25.0% vs 2.2%; P < 0.001), whereas with no differences for women (39.6% vs 35.3%; P = 0.538). Ferritin was lower among male IBD cases (P = 0.001) and for ulcerative colitis (P = 0.016 for males and 0.017 for females), but not for Crohn's disease. Ferritin was associated with a lower risk for IBD and in the ulcerative colitis subgroup when using sex-based z-scores. Ferritin quartiles 2–4 had a 65% lower odds ratio for all IBD, ulcerative colitis, and Crohn's disease in multivariable analysis.Conclusions: Lower ferritin was associated with higher risk for developing IBD in a prospective setting. Iron deficiency was more common among healthy males years later developing IBD compared to matched controls, but not among women.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Gastroenterologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Gastroenterology and Hepatology (hsv//eng)
Nyckelord
- Crohn's disease
- epidemiology
- inflammatory bowel disease
- iron deficiency
- nutrition
- ulcerative colitis
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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