Elevated risk of acute epiglottitis in patients with chronic obstructive pulmonary disease: A nationwide cohort study

Shu-Yi Huang, Cheng-Ming Hsu, Yao-Hsu Yang, Yuan-Hsiung Tsai, Ming-Shao Tsai, Geng-He Chang, Chia-Yen Liu, Yi-Chan Lee, Ethan I Huang and Yao-Te Tsai

PLOS ONE, 2022, vol. 17, issue 8, 1-14

Abstract: Objective: In individuals with epiglottitis, chronic obstructive pulmonary disease (COPD) is a common comorbidity; however, the impact of COPD under such circumstances is not well documented. Therefore, we performed this population-based study to determine whether, in adults, COPD is a risk factor for epiglottitis. Methods: In this retrospective matched-cohort study, data obtained from the Taiwan National Health Insurance Research Database were analyzed. We identified all patients newly diagnosed as having COPD in 2000–2011 and performed frequency matching and propensity-score matching for every patient with COPD individually to another patient without a COPD diagnosis. We used epiglottitis occurrence as the study endpoint, and we investigated the hazard ratio of epiglottitis by using the Cox proportional hazards model after adjustment for potential confounders. Results: In the frequency matching, the cumulative epiglottitis incidence was significantly higher (p = 0.005) in the COPD cohort. According to the adjusted Cox proportional hazard model, COPD exhibited a significant association with elevated epiglottitis incidence (adjusted hazard ratio: 1.76; 95% confidence interval: 1.15–2.70, p = 0.009). Similar trend was observed in the propensity-score matching analysis (adjusted hazard ratio: 1.50; 95% confidence interval: 0.99–2.29, p = 0.057). Our subgroup analysis revealed COPD to be an epiglottitis risk factor in male patients and those aged 40–64 years. Conclusions: This is the first nationwide matched-cohort research to examine the association of COPD with epiglottitis. Our results revealed that COPD may be a potential risk factor for epiglottitis; thus, clinicians should be mindful of the potential increased risk of epiglottitis following COPD.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0273437

DOI: 10.1371/journal.pone.0273437

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