Guideline-discordant inhaler regimens after COPD hospitalization: associations with rurality, drive time to care, and fragmented care – a United States cohort study

Baldomero, Arianne K.; Kunisaki, Ken M.; Wendt, Chris H.; Henning-Smith, Carrie; Hagedorn, Hildi J.; Bangerter, Ann; Dudley, R. Adams

doi:10.1016/j.lana.2023.100597

Cited by 1 publication

(1 citation statement)

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“…⇒ The prevalence of COPD in Korea has gradually increased from 9.2% in 2009 to 16.7% in 2018. The overall (all-cause) mortality rate was significantly higher in the COPD group than in the non-COPD group and all population, but is gradually decreasing.…”

Section: What This Study Addsmentioning

confidence: 99%

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

Kim,

Park,

Yang

et al. 2024

BMJ Open Resp Res

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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 <0.001). The incidence of stroke and myocardial infarction (p for all <0.001) and overall mortality were higher in the COPD group (adjusted IRR 1.23, 95% CI 1.22 to 1.24, p<0.001). In particular, incidence rate and risk of mortality due to lung cancer were higher than that of those without COPD compared with other cancer types (adjusted IRR 2.51, 95% CI 2.42 to 2.60, p<0.001). It was significantly higher the incidence rate and risk of mortality among group with COPD than those without COPD in lower respiratory disease (adjusted IRR 16.62, 95% CI 15.07 to 18.33, p<0.001), asthma (adjusted IRR 6.41, 95% CI 5.47 to 7.51, p<0.001) and bronchiectasis (adjusted IRR 11.77, 95% CI 7.59 to 18.26, p<0.001), respectively.DiscussionOur study showed that the prevalence of COPD is gradually increasing from 9.2% in 2009 to 16.7% in 2018. Furthermore, in overall (all-cause) mortality, it was significantly higher in group with COPD than in group without COPD. The mortality rate of group with COPD was much higher than the overall mortality rate but is gradually decreasing.

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Section: What This Study Addsmentioning

confidence: 99%