Patterns of hearing changes in women and men from denarians to nonagenarians

Koichiro Wasano, Kimitaka Kaga, Kaoru Ogawa

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Hearing loss needs to be diagnosed and treated early, especially in older individuals, since presbycusis potentially increases the risk of depression and dementia. However, standard data on hearing thresholds across the life-span in Japanese individuals are lacking. Methods: In a retrospective consecutive sample of 10681 native-Japanese speakers (37.3% men; 10–99 years; left-right hearing threshold difference of <15 dB for all tested pure tones; free of external, middle, or inner ear disease), we determined standard age-decade and sex-specific pure-tone air-conduction (125, 250, 500, 1000, 2000, 4000, and 8000 Hz) hearing threshold norms. The main outcome measures were pure-tone averages for both ears by age-decade and sex. Findings: For participants in their 20s, hearing thresholds at higher frequencies (>1000 Hz) were significantly worse in men than in women. For participants ≥70 years, hearing thresholds at low frequencies were higher in women. Hearing thresholds at 1000, 2000, and 4000 Hz tended to deteriorate, starting in the teenage years through the 50s, with some decades showing significantly worse decline. Sex differences were absent in the youngest and oldest groups. Interpretation: Standard age- and sex-specific audiometric data reported here for Japanese individuals over nine age-decades are based on the largest dataset analyzed to date. While hearing thresholds of men and women in the very young and the very old age groups were indistinguishable in their cohorts, patterns of hearing changes for other age cohorts differed by direction and sex. Funding: The authors had no outside funding for this study.

Original languageEnglish
Article number100131
JournalThe Lancet Regional Health - Western Pacific
Volume9
DOIs
Publication statusPublished - 2021 Apr

Keywords

  • Hearing loss
  • Noise induced hearing loss
  • Presbycusis
  • Progression

ASJC Scopus subject areas

  • Health Policy
  • Public Health, Environmental and Occupational Health
  • Psychiatry and Mental health
  • Infectious Diseases
  • Internal Medicine
  • Obstetrics and Gynaecology
  • Pediatrics, Perinatology, and Child Health
  • Geriatrics and Gerontology

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