However, ASR–DALYs show a decreasing trend, from 1537.71 (95% UI: 1330.68–1647.46)/100 000 years in 1990 to 926.07 (95% UI: 848.76–997.67)/100 000 years in 2019.
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Burden of COPD in China and the global from 1990 to 2019: a systematic analysis for the Global Burden of Disease Study 2019.
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The sentences
The figure shows that from 1990 to 2019, the number of COPD deaths caused by smoking in China fluctuated slightly but still showed an upward trend; household air pollution due to solid fuels showed a rapidly decreasing trend; ambient particulate matter showed a general upward trend, reaching a peak in 2015 and showing a slight decrease thereafter; ozone pollution shows a fluctuating to an increasing trend, reaching a peak in 2008 and then slowly ambient ozone pollution follows a fluctuating upward trend, peaking in 2008 and then slowly declining, before starting to rise again in 2014 and peaking in 2017, with a declining trend thereafter; occupational particulate matter exposure, low-temperature environments, and secondhand smoke exposure show a more moderate overall trend ( figures 10 and 11 ).
The number of deaths due to COPD in the Chinese population in 2019 shows an overall trend of increasing and then decreasing with age, with mortality due to COPD in the Chinese population showing a gradual increase with age.
With increasing age, the number of COPD cases in China in 2019 showed a trend of increasing and then decreasing, while the prevalence gradually increased, in line with the global change.