{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,10]],"date-time":"2026-08-10T18:31:55Z","timestamp":1786386715220,"version":"build-2736575974"},"reference-count":45,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2025,12,7]],"date-time":"2025-12-07T00:00:00Z","timestamp":1765065600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2025,12,7]],"date-time":"2025-12-07T00:00:00Z","timestamp":1765065600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["aao-hnsfjournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Otolaryngol.--head neck surg."],"published-print":{"date-parts":[[2026,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>This study aimed to clarify the seasonality of the incidence of sudden sensorineural hearing loss and the impact of the coronavirus disease 2019 pandemic.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Design<\/jats:title>\n                    <jats:p>An interrupted time\u2010series design.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Setting<\/jats:title>\n                    <jats:p>Comprehensive insurance claims data from the National Database of Health Insurance Claims and Specific Health Checkups of Japan collected between October 2013 and September 2023 were used.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Individuals who developed sudden sensorineural hearing loss were identified as those with disease code(s) and drug code(s) for steroids with a prior disease\u2010free period of 1 year. Time series data on incidence rate were created from the number of the incidence and population for each month. An interrupted time series analysis with a seasonal autoregressive integrated moving average model was performed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>According to the model with the lowest Akaike's information criterion, the incidence of sudden sensorineural hearing loss was seasonal: more frequent in early summer and less frequent in winter. The interrupted time\u2010series analysis revealed a significant decrease of 1.38 cases per 100,000 people (95% confidence interval: 1.01, 1.76) each month during the pandemic and a significant temporary additional decrease of 2.07 cases per 100,000 people (95% confidence interval: 1.44, 2.70) in April and May 2020.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>This population\u2010based study in Japan reveals seasonality in the incidence of sudden sensorineural hearing loss and a decrease during the coronavirus disease 2019 pandemic. Despite the observational nature of the study, the findings may be useful in elucidating the etiology of sudden sensorineural hearing loss.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/ohn.70085","type":"journal-article","created":{"date-parts":[[2025,12,7]],"date-time":"2025-12-07T17:14:07Z","timestamp":1765127647000},"page":"413-421","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Seasonality of Sensorineural Hearing Loss and Impact of the Coronavirus Disease 2019 Pandemic"],"prefix":"10.1002","volume":"174","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5308-4744","authenticated-orcid":false,"given":"Misuzu","family":"Fujita","sequence":"first","affiliation":[{"name":"Department of Health Research Chiba Foundation for Health Promotion and Disease Prevention Chiba Japan"},{"name":"Department of Public Health Chiba University Graduate School of Medicine Chiba 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