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Mortality and Causes of Death in Patients With Inflammatory Bowel Disease: A Nationwide Register Study in Finland

Julkaistu 1.9.2014


Background and Aim

Increased mortality has been reported in Crohn's disease (CD) but mostly not in ulcerative colitis (UC). We evaluated the overall and cause-specific mortality in a nationwide cohort of patients with inflammatory bowel disease (IBD) in Finland.


A total of 21,964 patients with IBD (16,649 with UC and 5315 with CD) from the Special Reimbursement register were diagnosed 1987-1993 and 2000-2007 and followed up to the end of 2010 by collating these figures with the national computerized Cause-of-Death Register of Statistics Finland. In each cause-of-death category, the number of deaths reported was compared to that expected in general population, and expressed as a standardized mortality ratio (SMR).


Overall mortality was increased among patients with CD (SMR 1.33, 95% confidence interval 1.21-1.46) and UC (1.10, 1.05-1.15). SMR was significantly increased for gastrointestinal causes in CD (6.53, 4.91-8.52) and UC (2.81, 2.32-3.34). Patients with UC were found also to have increased SMR from pulmonary (1.24, 1.02-1.46) and cardiovascular disease (1.14, 1.06-1.22) and cancers of the colon (1.90, 1.38-2.55), rectum (1.79, 1.14-2.69) and biliary tract (5.65, 3.54-8.54), whereas SMR from alcohol-related deaths was decreased (0.54, 0.39-0.71). Patients with CD had a significantly increased SMR for pulmonary diseases (2.01, 1.39-2.80), infections (4.27, 2.13-7.63) and cancers of the biliary tract (4.51, 1.23-11.5) and lymphoid and hematopoietic tissue (2.95, 1.85-4.45).


In this Finnish nationwide study increased overall mortality in both CD and UC was observed. The excess mortality of 14% in IBD is mainly due to deaths related to inflammation in the gut.

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Airi Jussila, Lauri J Virta, Eero Pukkala, Martti A Färkkilä

Lisätietoja julkaisusta

  • Vertaisarvioitu: kyllä.
  • Avoin saatavuus: kyllä.
  • Koko viite: Jussila, A., Virta, L. J., Pukkala, E., & Färkkilä, M. A. (2014). Mortality and causes of death in patients with inflammatory bowel disease: a nationwide register study in Finland. Journal of Crohn's & colitis, 8(9), 1088–1096.

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