National trend in the prevalence and mortality of COPD in South Korea from 2008 to 2017

BackgroundExisting studies on chronic obstructive pulmonary disease (COPD) in Korea lack full population coverage, relying on small sample sizes. Therefore, this study aims to investigate the prevalence and mortality of COPD in the entire Korean population.MethodsThis serial cross-sectional study us...

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Published in:BMJ open respiratory research 2024-06, Vol.11 (1), p.e002391
Main Authors: Kim, Sun-Hyung, Park, Jong Eun, Yang, Bumhee, Kim, So Young, Kim, Yeon Yong, Park, Jong Hyock
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
Cause of Death
Chronic Obstructive
Chronic Obstructive Pulmonary Disease
COPD epidemiology
Cross-Sectional Studies
Databases, Factual
Female
Humans
Incidence
Male
Middle Aged
Mortality
Outdoor air quality
Prevalence
Pulmonary Disease
Pulmonary Disease, Chronic Obstructive - epidemiology
Pulmonary Disease, Chronic Obstructive - mortality
Republic of Korea - epidemiology
Trends
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Summary:BackgroundExisting studies on chronic obstructive pulmonary disease (COPD) in Korea lack full population coverage, relying on small sample sizes. Therefore, this study aims to investigate the prevalence and mortality of COPD in the entire Korean population.MethodsThis serial cross-sectional study used national databases, linking the National Health Information Database (2008–2017) with Causes of Death Statistics. Identification of individuals with COPD used diagnostic codes (International Classification of Diseases-10: J41–J44) or a history of COPD-related hospitalisation, focusing on adults aged 40 and above. Prevalence and mortality rates, calculated for 2008–2017, encompassed both crude and age-standardised and sex-standardised measures. A multivariate Poisson regression model estimated the association between COPD and all-cause and cause-specific mortality, presenting incidence rate ratios (IRRs) and 95% CIs, using data from the year 2017.ResultsAge-adjusted COPD prevalence exhibited a notable increase from 2008 (7.9%) to 2017 (16.7%) in both sexes. The prevalences of diabetes mellitus, hypertension, dyslipidaemia, ischaemic heart disease, cancer, osteoporosis and tuberculosis were higher in the COPD group than in the group without COPD (p for all
ISSN:2052-4439
2052-4439
DOI:10.1136/bmjresp-2024-002391