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The Association Between Systemic Arterial Hypertension and Chronic Obstructive Pulmonary Disease. Results from the
Xiaopeng Liang1, Oscar Hou In Chou1, Bernard My Cheung1,2,3
1Division of Clinical Pharmacology and Therapeutics, Department of Medicine, School of Clinical Medicine, The University of Hong Kong, Hong Kong, China.
Background:
Systemic arterial hypertension (HTN) is one of the common comorbidities among patients with chronic obstructive pulmonary disease (COPD). This study aimed to investigate the association between HTN and COPD.
Methods:
A total of 46,804 eligible non-pregnant participants aged ≥ 20 years examined in the Mobile Examination Center of the National Health and Nutrition Examination Survey (NHANES) 1999-2018 were included in this cross-sectional study. Participants with invalid data on covariates, HTN, and COPD were excluded. The association between HTN and COPD was studied using logistic regression upon adjusting the potential covariates.
Results:
Among the participants, 46.1% (95% confidence interval [CI], 45.3-46.9) had HTN, and 6.8% (95% CI, 6.4-7.2) had self-reported COPD. COPD was associated with HTN (OR [odds ratio]=1.18, 95% CI [1.05-1.31], P<0.01) after adjusting for demographics, socioeconomic factors, smoking, diabetes, body mass index, and medication use, including inhaled corticosteroids and methylxanthines. The association between HTN and COPD was significant among adults younger than 60 years (P<0.01). Stratified by smoking status, there was a significant association between HTN and COPD in current heavy smokers (1.25, 95% CI [1.01-1.58]; P=0.04).
Conclusions:
In this nationwide survey, COPD was associated with HTN. The association was more robust among adults younger than 60 years and current heavy smokers. Future prospective studies are needed to examine the relationship between HTN and COPD.
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