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Prevalence of Chronic Obstructive Pulmonary Disease in Korea: The Result of Forth Korean National Health and Nutrition Examination Survey

Authors
 Yong Il Hwang ; Kwang Ha Yoo ; Yeon-Mok Oh ; Young Sam Kim ; Kyung Won Oh ; Hye Jin Park ; Yu Mi Cho ; Yuna Kim ; Sung Koo Han ; Sang-Min Lee ; Young Kyoon Kim ; Se Kyu Kim ; Sang-Do Lee ; In-Won Park ; Sang Yeub Lee ; Ki Uk Kim ; Ki Hyun Seo ; Seoung Ju Park ; Jae Yong Park ; Shin Yup Lee ; Sung Chul Lim ; Ho Il Yoon ; Sang-Ha Kim ; Joo Hun Park ; Seung Soo Sheen 
Citation
 Tuberculosis and Respiratory Diseases, Vol.71(5) : 328~334, 2011 
Journal Title
 Tuberculosis and Respiratory Diseases 
ISSN
 1738-3536 
Issue Date
2011
Abstract
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is a major cause of chronic morbidity and mortality throughout the world and is the only major disease that is continuing to increase in both prevalence and mortality. The second Korean National Health and Nutrition Survey revealed that the prevalence of COPD in Korean subjects aged > or =45 years was 17.2% in 2001. Further surveys on the prevalence of COPD were not available until 2007. Here, we report the prevalence of spirometrically detected COPD in Korea, using data from the fourth Korean National Health and Nutrition Survey (KNHANES IV) which was conducted in 2007~2009. METHODS: Based on the Korean Statistical Office census that used nationwide stratified random sampling, 10,523 subjects aged > or =40 years underwent spirometry. Place of residence, levels of education, income, and smoking status, as well as other results from a COPD survey questionnaire were also assessed. RESULTS: The prevalence of COPD (defined as forced expiratory volume in 1 sec/forced vital capacity <0.7 in subjects aged > or =40 years) was 12.9% (men, 18.7%; women, 7.5%). In total, 96.5% of patients with COPD had mild-to-moderate disease; only 2.5% had been diagnosed by physicians, and only 1.7% had been treated. The independent risk factors for COPD were smoking, advanced age, and male gender. CONCLUSION: The prevalence of COPD was 12.9% in the KNHANES IV data. Most patients with COPD were undiagnosed and untreated. Based on these results, a strategy for early COPD intervention is warranted in high risk subjects.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/94847
DOI
10.4046/trd.2011.71.5.328
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Internal Medicine
Yonsei Authors
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