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Changes in the prevalence of COPD in Korea between 2001 and 2011 in the KNHANES data

Authors
 Ji Young Hong  ;  Ji Ye Jung  ;  Myung Goo Lee  ;  Se Kyu Kim  ;  Joon Chang  ;  Chang Youl Lee  ;  Young Sam Kim 
Citation
 RESPIRATORY MEDICINE, Vol.125 : 12-18, 2017 
Journal Title
 RESPIRATORY MEDICINE 
ISSN
 0954-6111 
Issue Date
2017
MeSH
Adult ; Aged ; Cost of Illness ; Female ; Forced Expiratory Volume/physiology ; Humans ; Lung/physiopathology* ; Male ; Middle Aged ; Nutrition Surveys ; Prevalence* ; Pulmonary Disease, Chronic Obstructive/economics ; Pulmonary Disease, Chronic Obstructive/epidemiology* ; Pulmonary Disease, Chronic Obstructive/physiopathology* ; Pulmonary Disease, Chronic Obstructive/prevention & control ; Republic of Korea/epidemiology ; Respiratory Function Tests/methods ; Risk Factors ; Severity of Illness Index ; Smoking/epidemiology ; Socioeconomic Factors ; Vital Capacity/physiology
Keywords
Chronic obstructive lung disease ; Prevalence ; Smoking
Abstract
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is a serious public health problem. Understanding the longitudinal trend in prevalence is important for characterizing the burden of COPD and planning health services. METHODS: We analyzed the prevalence of airflow obstruction between 2001 and 2011 using data from Korean National Health and Nutritional Examination Surveys (2001, n = 2217; 2011, n = 3101). Participants >40 years of age with an FEV1/FVC <0.7 were defined as having COPD. We used data from the Population and Housing Census, which was conducted by Statistics Korea in 2010, to compare the prevalence of COPD after standardizing by age. RESULTS: The crude prevalence of COPD was not significantly different between 2001 and 2011 (2001, 13.0%; 2011, 13.2%), but the age-standardized prevalence of COPD decreased significantly over the 10-year period (2001, 15.7%; 2011, 12.4%). While significant decreases were observed for ex-smokers and current smokers, significant increases were noted for subjects who smoked <20 pack-years and those with a BMI ≤18.5 kg/m2. The prevalence of mild and severe COPD decreased (2001, mild 8.5%, severe 1.4%; 2011, mild 5.4%, severe 0.5%), while the prevalence of moderate COPD increased (2001, 5.7%; 2011, 6.4%) after age standardization. CONCLUSIONS: We report a reduction in the age-standardized prevalence of COPD in Korea from 2001 to 2011. Continued surveillance and early prevention are required because the socioeconomic burden of COPD remains substantial.
Full Text
http://www.sciencedirect.com/science/article/pii/S0954611117300410
DOI
10.1016/j.rmed.2017.02.019
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Se Kyu(김세규)
Kim, Young Sam(김영삼) ORCID logo https://orcid.org/0000-0001-9656-8482
Chang, Joon(장준) ORCID logo https://orcid.org/0000-0003-4542-6841
Jung, Ji Ye(정지예) ORCID logo https://orcid.org/0000-0003-1589-4142
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/154660
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