Objective: The association between gastroesophageal reflux disease (GERD) and laryngeal disorders remains debatable, although it has been the focus of extensive clinical and laboratory research. We conducted this study to obtain evidence on the association.

Study Design: Population-based cohort study.

Setting: Taiwan National Health Insurance Research Database (NHIRD).

Methods: Using data from Taiwan's NHIRD (January 2000 to December 2018), we performed a population-based analysis to estimate the risk of laryngeal disorders in patients with GERD and those without GERD.

Results: The GERD and non-GERD cohorts comprised 176,319 and 705,276 patients, respectively. The cohorts were matched at a ratio of 1:4 based on sex, age, urbanization level, and income level. The risk of laryngeal disorders was higher in the GERD cohort than in the non-GERD cohort (adjusted hazard ratio: 1.64; 95% confidence interval: 1.61-1.67).

Conclusion: This study is the first to use population data for identifying the association between GERD and laryngeal disorders for real-world findings. Our population-based analysis indicates that patients with GERD have an elevated risk of laryngeal disorders.

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Source
http://dx.doi.org/10.1002/ohn.980DOI Listing

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