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KMID : 0191120230380140108
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Journal of Korean Medical Science
2023 Volume.38 No. 14 p.108 ~ p.108
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Recent Prevalence of and Factors Associated With Chronic Obstructive Pulmonary Disease in a Rapidly Aging Society: Korea National Health and Nutrition Examination Survey 2015?2019
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Diego Agustin Abelleyra Lastoria
Omkaar Divekar
Kim You-Lim
Rhee Chin-Kook
Min Kyung-Hoon
Hwang Yong-Il
Kim Deog-Kyeom
Park Yong-Bum
Yoo Kwang-Ha
Moon Ji-Yong
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Abstract
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Background : The prevalence of chronic obstructive pulmonary disease (COPD) increases with age, and aging is an important risk factor for COPD development. In the era of global aging, demographic information about the prevalence of and factors associated with COPD are important to establish COPD care plans. However, limited information is available in rapidly aging societies, including Korea.
Methods : We conducted a cross-sectional observational study using Korea National Health and Nutrition Examination Survey data from 2015?2019. We included 15,613 participants and analyzed trends of and factors associated with COPD.
Results : During the study period, the overall prevalence of COPD was 12.9%. Over five years, the yearly prevalence of COPD was fairly constant, ranging from 11.5% to 13.6%. Among individuals aged ≥ 70 years, nearly one-third met COPD diagnostic criteria. In the multivariable analysis, age 70 years or older was the most strong factor associated with COPD (adjusted odds ratio [aOR], 17.86; 95% confidence interval [CI], 14.16?22.52; compared with age 40?49), followed by asthma (aOR, 3.39; 95% CI, 2.44?4.71), male sex (aOR, 2.64; 95% CI, 2.18?3.19), and current smokers (aOR, 2.60; 95% CI, 2.08?3.25). Additionally, ex-smokers, low income, decreased forced expiratory volume in 1 second %pred, and a history of pulmonary tuberculosis were associated with COPD. On the other hand, body mass index (BMI) ≥ 25 kg/m2 (aOR, 0.62; 95% CI, 0.54?0.71; compared with BMI 18.5?24.9 kg/m2) had an inverse association with COPD.
Conclusion : Recent trends in the prevalence of COPD in South Korea are relatively stable. Approximately one-third of participants aged 70 years and older had COPD. Aging was the most important factor associated with COPD.
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KEYWORD
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Pulmonary Disease, Chronic Obstructive, Spirometry, Prevalence, Demography, Risk Factors
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