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May 31, 2026BMC GastroenterologyOpen Access

Epidemiology of diagnosed inflammatory bowel disease in Taiwan population from 2011 to 2021: a population-based study

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Authors

YWYi‐Hua WuTLTsai-Chung LiCLChia-Ing Li

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Overview

Population-based study reports rising prevalence and incidence of IBD in Taiwan, highlighting demographic trends.

Key Points

  • This study aimed to report prevalence and incidence trends of diagnosed inflammatory bowel disease (IBD) in Taiwan over a decade.
  • Population-based study using National Health Insurance data from 2011 to 2021.
  • Identified diagnosed IBD cases using ICD-9-CM and ICD-10-CM codes, stratified by age, sex, income, and urbanization.
  • Applied logistic regression for risk factors and Joinpoint regression for temporal trends.
  • Age-standardized prevalence of IBD increased from 9.56 to 19.54 per 100,000 persons (APC: 7.35%).
  • Incidence rates rose from 0.89 to 2.46 per 100,000 persons (APC: 11.04%).
  • Increased burden observed among males, high-income groups, and residents of highly urbanized areas.

Cite This Study

Wu et al. (2026) studied this question.

synapsesocial.com/papers/6a1bd0155783ba022b6fbf92https://doi.org/10.1186/s12876-026-04973-5
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