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Tuberc Respir Dis > Volume 71(5); 2011 > Article
Tuberculosis and Respiratory Diseases 2011;71(5):328-334.
DOI: https://doi.org/10.4046/trd.2011.71.5.328    Published online November 1, 2011.
Prevalence of Chronic Obstructive Pulmonary Disease in Korea: The Result of Forth Korean National Health and Nutrition Examination Survey.
Yong Il Hwang, Kwang Ha Yoo, Seung Soo Sheen, Joo Hun Park, Sang Ha Kim, Ho Il Yoon, Sung Chul Lim, Shin Yup Lee, Jae Yong Park, Seoung Ju Park, Ki Hyun Seo, Ki Uk Kim, Sang Yeub Lee, In Won Park, Sang Do Lee, Se Kyu Kim, Young Kyoon Kim, Sang Min Lee, Sung Koo Han, Yuna Kim, Yu Mi Cho, Hye Jin Park, Kyung Won Oh, Young Sam Kim, Yeon Mok Oh
1Department of Pulmonary, Allergy and Critical Care Medicine, Hallym University College of Medicine, Chuncheon, Korea.
2Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea.
3Department of Pulmonary and Critical Care Medicine, Ajou University School of Medicine, Suwon, Korea.
4Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.
5Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
6Department of Internal Medicine, Chonnam National University Medical School, Gwangju, Korea.
7Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea.
8Department of Internal Medicine, Chonbuk National University Medical School, Jeonju, Korea.
9Department of Internal Medicine, Soonchunhyang University College of Medicine, Cheonan, Korea.
10Department of Internal Medicine, Pusan National University School of Medicine, Busan, Korea.
11Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea.
12Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Korea.
13Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. ymoh55@amc.seoul.kr
14Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea. ysamkim@yuhs.ac
15Department of Internal Medicine, The Catholic University of Korea College of Medicine, Seoul, Korea.
16Department of Internal Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.
17Korea Centers for Disease Control & Prevention, Division of Health and Nutrition Survey, Cheongwon, Korea.
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.
Key Words: Pulmonary Disease, Chronic Obstructive, Korea, Prevalence, Spirometry, survey


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