The Four Epidemiological Stages in the Global Evolution of Inflammatory Bowel Disease

Overview

Journal Nat Rev Gastroenterol Hepatol

Specialty Gastroenterology

Date 2020 Oct 9

PMID 33033392

Citations 395

Authors

Gilaad G Kaplan

Joseph W Windsor

Affiliations

Soon will be listed here.

Abstract

Inflammatory bowel disease (IBD) is a global disease; its evolution can be stratified into four epidemiological stages: Emergence, Acceleration in Incidence, Compounding Prevalence and Prevalence Equilibrium. In 2020, developing countries are in the Emergence stage, newly industrialized countries are in the Acceleration in Incidence stage, and Western regions are in the Compounding Prevalence stage. Western regions will eventually transition to the Prevalence Equilibrium stage, in which the accelerating prevalence levels off as the IBD population ages and possibly as a result of an unexpected rise in mortality during the COVID-19 pandemic. Mitigating the global burden of IBD will require concerted efforts in disease prevention and health-care delivery innovations that respond to changing demographics of the global IBD population. In this Perspective, we summarize the global epidemiology of IBD and use these data to stratify disease evolution into four epidemiological stages.

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