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. 2013 Dec 6:13:166.
doi: 10.1186/1471-230X-13-166.

A nationwide population-based study of the inflammatory bowel diseases between 1998 and 2008 in Taiwan

Shu-Chen Wei, Meng-Hung Lin, Chien-Chih Tung, Meng-Tzu Weng, Jen-Shin Kuo, Ming-Jium Shieh, Cheng-Yi Wang, Wen-Chao Ho, Jau-Min Wong  1 , Pau-Chung Chen
Affiliations

A nationwide population-based study of the inflammatory bowel diseases between 1998 and 2008 in Taiwan

Shu-Chen Wei et al. BMC Gastroenterol. .

Abstract

Background: The incidence of the inflammatory bowel diseases (IBD), ulcerative colitis (UC) and Crohn's disease (CD), has been increasing in Asia. We probed the nationwide registered database to assess the incidence, prevalence, gender distribution, age of diagnosis and the survival status of IBD patients in Taiwan.

Methods: A retrospective study was conducted to analyze the registered database compiled by the National Health Insurance provided by the Department of Health, Taiwan, from January 1998 through December 2008.

Results: A total of 1591 IBD patients were registered from 1998 to 2008 in Taiwan (CD: 385; UC: 1206). The incidence of CD increased from 0.19/100,000 in 1998 to 0.24/100,000 in 2008. The incidence of UC increased from 0.61/100,000 in 1998 to 0.94/100,000 in 2008. The prevalence of CD increased from 0.19/100,000 in 1998 to 1.78/100,000 in 2008. The prevalence of UC increased from 0.61/100,000 in 1998 to 7.62/100,000 in 2008. Male to female ratio for CD was 2.22 and 1.64 for UC. Age of registered for CD was predominantly between 20 to 39, and for UC between 30 to 49 years of age. The standardized mortality ratio (95% CI) was 4.97 (3.72-6.63) for CD and 1.78 (1.46-2.17) for UC, from 1998 to 2008 in Taiwan.

Conclusions: Using the Taiwan nationwide database for IBD, the incidence and prevalence of IBD in Taiwan significantly increased from 1998 to 2008. The mortality rate was higher for CD patients than UC patients, and both were higher than the general population.

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Figures

Figure 1
Figure 1
Incidence of IBD from 1998–2008 in Taiwan.
Figure 2
Figure 2
Prevalence of IBD from 1998–2008 in Taiwan.
Figure 3
Figure 3
Age and sex distribution of Crohn’s disease patients from 1998–2008 in Taiwan.
Figure 4
Figure 4
Age and sex distribution of ulcerative colitis patients from 1998–2008 in Taiwan.
Figure 5
Figure 5
Gender ratio (male to female) of IBD patients in Taiwan from 1998 to 2008.
Figure 6
Figure 6
Survival rate of IBD patients in Taiwan from 1998 to 2008.
See this image and copyright information in PMC

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