The Prevalence of Otosclerosis in one Company of Miyazaki

DOI 10 References
  • Kiyomizu Kensuke
    Department of Otorhinolaryngology, Miyazaki Medical College, University of Miyazaki Department of Psychiatry, Yoshida Hospital
  • Torihara Koji
    Department of Otorhinolaryngology, Miyazaki prefectural Nobeoka Hospital
  • Nakashima Takahiro
    Department of Otorhinolaryngology, Miyazaki prefectural Nobeoka Hospital
  • Tono Tetsuya
    Department of Otorhinolaryngology, Miyazaki Medical College, University of Miyazaki
  • Matsuura Koji
    Department of Otorhinolaryngology, Miyazaki Medical College, University of Miyazaki
  • Kawano Hirokazu
    Department of Otolaryngology, Aichi Medical University
  • Nakayama Meiho
    Department of Otorhinolaryngology, Miyazaki Medical College, University of Miyazaki
  • Komune Sizuo
    Department of Otorhinolaryngology, University of Kyusyu

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Other Title
  • 宮崎県の一企業における耳硬化症（疫学）調査

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Abstract

This study was performed in order to estimate the prevalence of clinical otosclerosis in Japanese people. The subjects consisted of 850 people which were working in one company of Miyazaki. There were 664 males and 186 females with a median age of 44.7 years (45.8 years in male, 40.2 in female, age range 25-59 years). The results of either the questionnaire or simple hearing test suggested that 163 subjects may have had hearing loss. These subjects were given an inspection by three ENT doctors and each took a pure tone hearing test with two audiologists. Two (0.24%) of the subjects were suspected to have mild cases of otosclerosis. Despite the subjects being aware of mild hearing loss, they have never visited an ENT clinic. These results suggest that while the rate of clinical otosclerosis in Japanese people is lower than that in Caucasians, it might be more prevalent than previously believed.

Journal

  • Otology Japan

    Otology Japan 16 (1), 42-45, 2006

    Japan Otological Society

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