Burden of Chronic Obstructive Pulmonary Disease and Its Attributable Risk Factors in China from 1990 to 2021, with Projections to 2050: An Analysis of Data from the Global Burden of Disease Study 2021
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Objective
To assess the burden of chronic obstructive pulmonary disease (COPD) and its attributable risk factors in China from 1990 to 2021 and to project the trend up to 2050 to provide a scientific basis for the development of a comprehensive COPD prevention and treatment strategy in China.
Method
COPD data from the Global Burden of Disease Study (GBD) 2021 were analyzed for key metrics, including incidence, prevalence, mortality, and disability-adjusted life-years (DALYs), as well as corresponding age-standardized rates (ASRs). Estimated annual percentage change (EAPC) was calculated using regression analysis, and Bayesian age-period-cohort modeling was used to project trends through 2050.
Results
In 2021, COPD in China reported 50,588,400 current cases of COPD, and 4,434,400 new cases, resulting in 1,285,400 million patient deaths and 23,640,300 disability-adjusted life years. The disease burden of COPD in China has generally decreased over the past 30 years. Between 1990 and 2021, the standardized incidence rate of chronic obstructive pulmonary disease (COPD) in China decreased from 271.222 per 100,000 to 215.620 per 100,000; the standardized prevalence rate declined from 2761.807 per 100,000 to 2499.374 per 100,000; the standardized mortality rate fell from 231.776 per 100,000 to 73.231 per 100,000; and the standardized DALYs (Disability-Adjusted Life Years) rate dropped from 3852.568 per 100,000 to 1227.659 per 100,000.
Conclusion
COPD poses a significant disease burden in China, particularly among the elderly. These findings underscore the urgency of improving diagnostic capabilities and developing better treatment strategies to address this challenging disease in the Chinese population.
