Inequalities in disease burden and care quality of chronic obstructive pulmonary disease, 1990–2021: Findings from the Global Burden of Disease Study 2021

Chronic obstructive pulmonary disease (COPD) is one of the primary causes of significant morbidity and mortality worldwide. This study aimed to explore the cross-country inequalities by age, sex, and region in COPD's burden and care quality from 1990 to 2021.