{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,22]],"date-time":"2026-02-22T04:58:21Z","timestamp":1771736301108,"version":"3.50.1"},"reference-count":34,"publisher":"Cambridge University Press (CUP)","issue":"8","license":[{"start":{"date-parts":[[2025,4,10]],"date-time":"2025-04-10T00:00:00Z","timestamp":1744243200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Laryngol. Otol."],"published-print":{"date-parts":[[2025,8]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec id=\"S0022215125000489_sec1a\">\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To define extended high-frequency hearing threshold ranges in normal hearing elderly (aged 55 years and above) and identify associated risk factors for extended high-frequency hearing loss.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S0022215125000489_sec2b\">\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Pure-tone thresholds (0.25\u201316 kHz) and word recognition scores were measured using portable audiometric equipment. Lifestyle and medical histories were collected, and generalised linear models analysed risk factors for extended high-frequency hearing (10\u201312 kHz).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S0022215125000489_sec3c\">\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>In normal hearing elderly (28 ears, 18 subjects), 95 per cent confidence intervals for 10 and 12 kHz were 34.770\u201349.301 and 56.976\u201365.809, respectively. Among 342 ears (200 subjects), hypertension emerged as a leading risk factor for extended high-frequency hearing loss, while lipid-lowering medications showed potential protective effects.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S0022215125000489_sec4d\">\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Preliminary extended high-frequency hearing thresholds were established, with hypertension identified as a key risk factor and lipid-lowering medications as a potential protective factor.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1017\/s0022215125000489","type":"journal-article","created":{"date-parts":[[2025,4,10]],"date-time":"2025-04-10T09:43:48Z","timestamp":1744278228000},"page":"687-695","source":"Crossref","is-referenced-by-count":0,"title":["The characteristic of conventional and extended high-frequency audiometry in older adults \u2013 a community-based investigation in South 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