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- Busch, K., et al.
(författare)
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Nationwide prevalence of inflammatory bowel disease in Sweden : a population-based register study
- 2014
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Ingår i: Alimentary Pharmacology and Therapeutics. - : Wiley-Blackwell. - 0269-2813 .- 1365-2036. ; 39:1, s. 57-68
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Tidskriftsartikel (refereegranskat)abstract
- Background: Regional studies on inflammatory bowel disease (IBD) suggest an increasing prevalence over time, but no nationwide estimate has been published so far.Aim: To estimate the IBD prevalence in 2010 in Sweden overall, by disease, and in specific patient segments.Methods: Patients were identified according to international classification codes for ulcerative colitis and Crohn's disease in in-patient care (1987-2010), day surgery and nonprimary out-patient care (1997-2010) in the nationwide Swedish Patient Register.Results: Requiring two or more diagnoses of IBD in nonprimary care, a total of 61344 individuals with physician-diagnosed IBD were alive in Sweden in 2010 (mean age 50years; 51% men), corresponding to a prevalence of 0.65% (95% CI, 0.65-0.66). The prevalence increased with age, and peaked in women at ages 50-59years and in men at ages 60-69years. Adding the requirement of IBD as main (vs. main or contributory) diagnosis code, or diagnosis from an internal medicine/gastroenterology/surgery department did not change the prevalence estimate. Prevalence of actively treated disease (defined as two or more IBD-related visits, of which one occurred in 2010, plus at least one dispensed prescription of IBD-related drugs in 2010) was 0.27% (95% CI, 0.27-0.28).Conclusions: The Swedish nationwide register-based IBD prevalence was higher compared with previous Swedish and international estimates. While prevalence estimates were robust across different case definitions, once two or more visits were required, only about one-third of prevalent patients were drawing resources from specialised care in 2010.
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- Ekbom, A
(författare)
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Is diverticular disease associated with colonic malignancy?
- 2012
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Ingår i: Digestive diseases (Basel, Switzerland). - : S. Karger AG. - 1421-9875 .- 0257-2753. ; 30:1, s. 46-50
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Tidskriftsartikel (refereegranskat)abstract
- Colon cancer and diverticular disease have common characteristics; there are increases in the incidences in both disease entities and these diseases are more common in the westernized world. There is also an increase in the age-specific incidence with advancing age. Similar dietary features have been implicated for both diseases and already during the 1960s it was postulated by Burkitt that there is an association. Observational studies initially were able to demonstrate that patients with a history of diverticular disease of the colon had an increased risk of colon cancer, especially in the left side. However, the results from these studies have not been consistent, and problems like selection bias and confounding by indication have been major drawbacks in order to interpret the results and infer causality. Recent studies, which have had a better assessment of diverticular disease by new diagnostic methods, do not support such an association to the same extent as previously. Moreover, surveillance bias has become an increasing problem as patients with diverticular disease of the colon are subjected to a higher diagnostic intensity than other individuals in a population-based setting. A critical evaluation of the studies published so far therefore clearly indicates that the proposed association between diverticular disease and colonic malignancy is not evidence based, which should have an impact on clinical practice as well as on how to deal with these patient groups within the realms of a screening program.
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- Ekbom, A
(författare)
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The Swedish Multi-generation Register
- 2011
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Ingår i: Methods in molecular biology (Clifton, N.J.). - Totowa, NJ : Humana Press. - 1940-6029. ; 675, s. 215-20
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Tidskriftsartikel (refereegranskat)
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