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Abstract Background and Aim Gastritis and duodenitis, prevalent diseases of the digestive system, impose a significant global burden. This study aimed to examine their incidence and prevalence patterns worldwide, including changes over the past 30 years. Methods The age‐standardized incidence rate (ASIR) and age‐standardized prevalence rate (ASPR) of gastritis and duodenitis, stratified by age, sex, geographical region, and sociodemographic index (SDI), were obtained from the Global Burden of Disease 2019. The dynamic trends were captured by calculating the average annual percentage changes (AAPC). Results In 2019, the global ASIR and ASPR of gastritis and duodenitis were 379.88/100 000 (95% uncertainty interval UI: 312.42/100 000–448.12/100 000) and 518.11/100 000 (95% UI: 420.62/100 000–631.66/100 000), respectively. The highest rates were observed among the 50–69 age group (ASIR: 856.48/100 000; ASPR: 1158.04/100 000) and in low SDI regions (ASIR: 443.33/100 000; ASPR: 631.22/100 000). From 1990 to 2019, there was a significant decrease in global ASIR (AAPC = −0.34%, 95% confidence interval CI: −0.36% to −0.31%) and ASPR (AAPC = −0.34%, 95% CI: −0.37% to −0.31%) of gastritis and duodenitis. However, ASIR (AAPC = 0.47%, 95% CI: 0.42%–0.52%) and ASPR (AAPC = 0.51%, 95% CI: 0.47%–0.52%) of gastritis and duodenitis experienced a significant increase in low SDI regions. Conclusions Despite a significant decrease in the global incidence and prevalence of gastritis and duodenitis, these conditions continue to impose a burden on individuals aged 50–69 years and low SDI regions. Targeted interventions for those specific populations and regions are necessary.
Xu et al. (Mon,) studied this question.