Chronic Obstructive Pulmonary Disease Among Adults Aged 18 and Over in the United States, 1998–2009 || Products - Data Briefs - Number 63, June 2011

full-text â–ºProducts – Data Briefs – Number 63, June 2011: “Chronic Obstructive Pulmonary Disease Among Adults Aged 18 and Over in the United States, 1998–2009

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* Key findings
* Prevalence of COPD was stable from 1998 through 2009 and was significantly higher among women than men.
* Prevalence of COPD was higher in older age groups, and women had higher rates than men throughout most of the lifespan.
* Prevalence of COPD was highest among non-Hispanic white and Puerto Rican adults and among adults with family income below the poverty level.
* COPD prevalence was higher in the East South Central division of the United States than in any other U.S. Census division.
* COPD hospitalization rates declined for both men and women from 1999 through 2007. COPD death rates declined for men but not women from 1999 through 2007.
* Summary
* Definitions
* Data sources and methods
* About the authors
* References
* Suggested citation

PDF Version Adobe PDF file (584 KB) â–º http://www.cdc.gov/nchs/data/databriefs/db63.pdf

Lara J. Akinbami, M.D.; and Xiang Liu, M.Sc.

Key findings

* The prevalence of chronic obstructive pulmonary disease (COPD) in the United States was stable from 1998 through 2009 and has remained higher in women than in men.
* COPD was more prevalent in older age groups.
* COPD was more prevalent among Puerto Rican and non-Hispanic white adults than among non-Hispanic black and Mexican-American adults, and among adults with family income below the poverty level (8.3%) than among adults with income at least 200% of the poverty level (4.3%).
* Prevalence of COPD was almost twice as high in the East South Central U.S. Census division (7.5%) as in the Pacific division (3.9%).
* From 1999 through 2007, COPD hospitalization rates declined for both men and women, but COPD death rates declined only for men.

Chronic obstructive pulmonary disease (COPD) causes substantial morbidity and mortality (1) and may be unrecognized in its early stages. Chronic lower respiratory disease (CLRD), which includes both COPD and asthma, was the third leading cause of death in the United States in 2008 (2). COPD includes chronic bronchitis and emphysema, which both make emptying air from the lungs progressively more difficult and can be associated with cough, mucus production, wheezing, and breathlessness (1,3). Risk factors include primarily cigarette smoking, but also exposure to noxious particles or gases, recurrent infection, diet, and genetic factors (1). COPD is often preventable, but there is no cure. Treatment can control symptoms and slow disease progression (1). This report presents trends in COPD prevalence, hospitalization, and death rates, and detailed recent estimates for population subgroups. Asthma is excluded from this report because it is considered a different condition with fully reversible symptoms, although some people may have asthma and COPD concurrently (1,3).

Keywords: lung disease, National Health Interview Survey, National Hospital Discharge Survey, National Vital Statistics System

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