Fuse Holder BackgroundWhether herpes zoster infection (HZI) affects laryngitis incidence remains unknown.ObjectiveThe purpose of this population-based retrospective study was to analyze the relationship between laryngitis and HZI using data from the Korean Health Insurance Review and Assessment Service-National Sample Cohort.MethodsThis study analyzed 1,197,093 medical claim codes from 2018.Patients with HZI (ICD-10: B02) were retrospectively identified.
Laryngeal diseases were defined by ICD-10 codes for five subgroups: 1) malignant disease, 2) benign disease, 3) vocal cord palsy, 4) inflammatory disease, and 5) reflux disease.ResultsAmong the Korean population older than 20 years, 12,809 experienced HZI.Subjects with HZI were more likely to be older (mean age: 51.54 Head Phone Board Connect Wire years vs.
48.06 years, p ConclusionsHZI is independently associated with laryngitis.Results of this study have implications for etiological investigations and prevention strategies for laryngitis.