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Autoimmune and Inflammatory Disorders / Inflammatory Bowel Disease · Journal article
International Journal of Colorectal Disease · August 8, 2026
Early or partial results. Treat as a signal, not a conclusion.
This is a 34-year descriptive epidemiological study of Crohn's disease burden in East Asia using the Global Burden of Disease Study 2023 database, with Bayesian projections to 2060. It documents rising prevalence, mortality, and disability-adjusted life years (DALYs) across China, Japan, and the Republic of Korea from 1990–2023, with further increases projected through 2060, but provides no mechanistic or intervention-based evidence and rests entirely on modelled estimates.
Descriptive epidemiological analysis with Bayesian age–period–cohort projection model. Populations of China, Japan, and the Republic of Korea; no inclusion or exclusion criteria specified.. China, Japan, and the Republic of Korea (East Asia).
All three countries (China, Japan, Republic of Korea) experienced substantial increases in Crohn's disease burden between 1990 and 2023 Prevalence and DALYs were greatest among males aged 50–54 Projections indicated continued increases in disease burden through 2060
Source does not report absolute numbers of cases, prevalence rates, mortality rates, or DALY rates with figures; all statements rely on text summary only.
Clinicians and health systems planners in East Asia should recognize the rising and projected burden of Crohn's disease, particularly in aging populations. These data support the need for country-specific resource allocation and long-term care capacity planning, though the projections themselves depend on model assumptions and do not change diagnostic or treatment practice.
A descriptive epidemiological analysis using secondary data from a global registry with projections to 2060, reporting trends and forecasts rather than testing an intervention or causal hypothesis, making it hypothesis-generating rather than confirmatory evidence.
As stated by the source record.
Quoted from the source exactly as published.
Clinicians and health systems planners in East Asia should recognize the rising and projected burden of Crohn's disease, particularly in aging populations. These data support the need for country-specific resource allocation and long-term care capacity planning, though the projections themselves depend on model assumptions and do not change diagnostic or treatment practice.
Graded across the dimensions that decide whether you should act, each from what the source actually supports. There is no single score, and where a dimension was not assessed it says so.
Abstract Purpose Crohn’s disease has transitioned from a rare condition to a significant public health concern in East Asia, yet comparative evidence across countries and long-term projections remain limited. We assess national trends in the burden of Crohn’s disease in China, Japan, and the Republic of Korea from 1990 to 2023 and to estimate future patterns through 2060. Methods Data were obtained from the Global Burden of Disease Study 2023. We assessed prevalence, mortality and DALYs, reporting on numbers, rates, age-standardized prevalence rate, age-standardized mortality rate, age-standardized DALYs rate. Decomposition analysis was applied to quantify contributions from population growth, population aging, and shifts in disease epidemiology. Projections for 2024 to 2060 were generated using a Bayesian age–period–cohort model. Results All three countries experienced substantial increases in Crohn’s disease burden between 1990 and 2023. Prevalence and DALYs was greatest among males aged 50–54. Projections indicated continued increases in disease burden through 2060. China was projected to retain the largest number of prevalent cases by 2060, while total DALYs in Japan and the Republic of Korea were projected to exceed those in China. Conclusion Crohn’s disease burden has risen steadily across East Asia over the past 34 years, with men and middle-aged and older adults disproportionately affected. These findings highlight the need for country-specific prevention and healthcare strategies. China should prioritize early detection and primary care capacity, while Japan and the Republic of Korea require integrated management and long-term care systems to support aging patient populations.
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