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. 2022 Jul 28:17:1695-1702.
doi: 10.2147/COPD.S369120. eCollection 2022.

Health Inequality in the Global Burden of Chronic Obstructive Pulmonary Disease: Findings from the Global Burden of Disease Study 2019

Haifeng Li #  1 , Hongsen Liang #  2 , Li Wei  2 , Donglei Shi  2 , Xin Su  3 , Fajun Li  4 , Junhang Zhang  2 , Zhaojun Wang  2
Affiliations

Health Inequality in the Global Burden of Chronic Obstructive Pulmonary Disease: Findings from the Global Burden of Disease Study 2019

Haifeng Li et al. Int J Chron Obstruct Pulmon Dis. .

Abstract

Background: This study assessed health inequality in the global burden of chronic obstructive pulmonary disease (COPD) between 1990 and 2019 using data extracted from the Global Burden of Diseases (GBD 2019) study.

Methods: Data were extracted from the GBD 2019 study. A series of comparative and descriptive analyses of the disease burden between women and men in countries with different socioeconomic development (SDI) status were performed. The slope index of inequality (SII), relative index of inequality (RII), and concentration index (CI) were calculated to measure the socioeconomic-related cross-national health inequity between 1990 and 2019.

Results: The global health burden caused by COPD increased by 25.7% in terms of disability-adjusted life years (DALY) from 59.2 million years in 1990 to 74.4 million years in 2019. Global age-standardized DALY rate (ASDR) associated with COPD decreased by 40.0%, from 1537.7 per 100,000 population in 1990 to 926.1 per 100,000 population in 2019. The highest sex-specific DALY number was at age 70-74 in male and female, and female is lower than male. However, after controlling for population size, the burden of COPD is more concentrated in the population living in low SDI countries, relative health inequality indicators (RII and CI) supported this conclusion.

Conclusion: The health inequalities caused by the disparity of socioeconomic status are increasing, and the increasing concentration of wealth worldwide is likely to aggravate health inequalities associated with COPD.

Keywords: chronic obstructive pulmonary disease; disease burden; health inequality.

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Conflict of interest statement

The authors declare that they have no competing interests.

Figures

Figure 1
Figure 1
Age distribution of global sex-specific DALY number (A) and DALY rate (B) in 2019. DALY =YLLs +YLDs.
Figure 2
Figure 2
Global distribution of COPD burden in terms of age-standardized DALY rates in 2019 (A) and the relative change in incidence cases of COPD between 1990 and 2019 (B).
See this image and copyright information in PMC

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