Expression of Concern: Mortality trends and disparities for coexisting chronic obstructive pulmonary disease and cardiovascular disease: A retrospective analysis of deaths in the United States from 1999–2020

Key Result

Mortality trends and disparities for coexisting COPD and cardiovascular disease in the US from 1999 to 2020 are the subject of an official expression of concern.

Key Points

• The analysis aims to investigate mortality trends and disparities for individuals with coexisting chronic obstructive pulmonary disease and cardiovascular disease from 1999 to 2020.
• Conducted a retrospective analysis of death data in the United States.
• Examined trends over a 21-year period from 1999 to 2020.
• Assessed disparities based on demographic variables such as age, sex, and ethnicity.
• Identified increasing mortality rates among individuals with coexisting conditions.
• Noted significant disparities in mortality across different demographic groups.
• Revealed trends indicating worsening outcomes for certain populations over the study period.