Abstract
BACKGROUND: Population based studies have revealed varying mortality for patients with ulcerative colitis but most have described patients from limited geographical areas who were diagnosed before 1990.
AIMS: To assess overall mortality in a European cohort of patients with ulcerative colitis, 10 years after diagnosis, and to investigate national ulcerative colitis related mortality across Europe.
METHODS: Mortality 10 years after diagnosis was recorded in a prospective European-wide population based cohort of patients with ulcerative colitis diagnosed in 1991-1993 from nine centres in seven European countries. Expected mortality was calculated from the sex, age and country specific mortality in the WHO Mortality Database for 1995-1998. Standardised mortality ratios (SMR) and 95% confidence intervals (CI) were calculated.
RESULTS: At follow-up, 661 of 775 patients were alive with a median follow-up duration of 123 months (107-144). A total of 73 deaths (median follow-up time 61 months (1-133)) occurred compared with an expected 67. The overall mortality risk was no higher: SMR 1.09 (95% CI 0.86 to 1.37). Mortality by sex was SMR 0.92 (95% CI 0.65 to 1.26) for males and SMR 1.39 (95% CI 0.97 to 1.93) for females. There was a slightly higher risk in older age groups. For disease specific mortality, a higher SMR was found only for pulmonary disease. Mortality by European region was SMR 1.19 (95% CI 0.91 to 1.53) for the north and SMR 0.82 (95% CI 0.45-1.37) for the south.
CONCLUSIONS: Higher mortality was not found in patients with ulcerative colitis 10 years after disease onset. However, a significant rise in SMR for pulmonary disease, and a trend towards an age related rise in SMR, was observed.
| Originalsprog | Engelsk |
|---|---|
| Tidsskrift | Gut |
| Vol/bind | 56 |
| Udgave nummer | 4 |
| Sider (fra-til) | 497-503 |
| Antal sider | 7 |
| ISSN | 0017-5749 |
| DOI | |
| Status | Udgivet - apr. 2007 |
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