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http://dx.doi.org/10.4046/trd.2011.71.5.328

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

Hwang, Yong-Il (Department of Pulmonary, Allergy and Critical Care Medicine, Hallym University College of Medicine)
Yoo, Kwang-Ha (Department of Internal Medicine, Konkuk University School of Medicine)
Sheen, Seung-Soo (Department of Pulmonary and Critical Care Medicine, Ajou University School of Medicine)
Park, Joo-Hun (Department of Pulmonary and Critical Care Medicine, Ajou University School of Medicine)
Kim, Sang-Ha (Department of Internal Medicine, Yonsei University Wonju College of Medicine)
Yoon, Ho-Il (Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine)
Lim, Sung-Chul (Department of Internal Medicine, Chonnam National University Medical School)
Lee, Shin-Yup (Department of Internal Medicine, Kyungpook National University School of Medicine)
Park, Jae-Yong (Department of Internal Medicine, Kyungpook National University School of Medicine)
Park, Seoung-Ju (Department of Internal Medicine, Chonbuk National University Medical School)
Seo, Ki-Hyun (Department of Internal Medicine, Soonchunhyang University College of Medicine)
Kim, Ki-Uk (Department of Internal Medicine, Pusan National University School of Medicine)
Lee, Sang-Yeub (Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Korea University Anam Hospital, Korea University College of Medicine)
Park, In-Won (Department of Internal Medicine, Chung-Ang University College of Medicine)
Lee, Sang-Do (Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine)
Kim, Se-Kyu (Department of Internal Medicine, Yonsei University College of Medicine)
Kim, Young-Kyoon (Department of Internal Medicine, The Catholic University of Korea College of Medicine)
Lee, Sang-Min (Department of Internal Medicine, Seoul National University Hospital, Seoul National University College of Medicine)
Han, Sung-Koo (Department of Internal Medicine, Seoul National University Hospital, Seoul National University College of Medicine)
Kim, Yu-Na (Korea Centers for Disease Control & Prevention, Division of Health and Nutrition Survey)
Cho, Yu-Mi (Korea Centers for Disease Control & Prevention, Division of Health and Nutrition Survey)
Park, Hye-Jin (Korea Centers for Disease Control & Prevention, Division of Health and Nutrition Survey)
Oh, Kyung-Won (Korea Centers for Disease Control & Prevention, Division of Health and Nutrition Survey)
Kim, Young-Sam (Department of Internal Medicine, Yonsei University College of Medicine)
Oh, Yeon-Mok (Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine)
Publication Information
Tuberculosis and Respiratory Diseases / v.71, no.5, 2011 , pp. 328-334 More about this Journal
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 ${\geq}45$ 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 ${\geq}40$ 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 ${\geq}40$ 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.
Keywords
Pulmonary Disease, Chronic Obstructive; Korea; Prevalence; Spirometry; survey;
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