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Summary

The Otogram, an automated audiometer, demonstrated reliability comparable to audiologists in determining hearing thresholds. This self-administered hearing test can be safely used in clinical settings under audiologist supervision.

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Area of Science:

  • Audiology
  • Oto-rhino-laryngology
  • Medical technology

Background:

  • The Otogram is a novel automated audiometer enabling self-administered pure-tone audiometry.
  • No prior peer-reviewed research has validated its use in otology outpatient clinics.
  • This study addresses the need to assess the Otogram's accuracy and reliability against human audiologists.

Purpose of the Study:

  • To investigate and compare the inter-rater and intra-rater accuracy and reliability of the Otogram and trained audiologists.
  • To validate the Otogram's performance in a British otology outpatient setting.

Main Methods:

  • A prospective, nonrandomized validation study was conducted.
  • Forty-eight NHS patients underwent two pure-tone audiograms each.
  • Hearing thresholds were measured by both fully trained British audiologists and the Otogram device.

Main Results:

  • The Otogram showed high agreement with audiologists for air-conduction (kappa = 0.965) and bone-conduction (kappa = 0.927) thresholds.
  • 94% of air-conduction and 91% of bone-conduction thresholds measured by the Otogram were within 10 dB of audiologist measurements.
  • Intra-rater reliability for both audiologists and the Otogram was excellent for both air and bone conduction.

Conclusions:

  • The Otogram is a reliable tool for determining hearing thresholds, performing comparably to audiologists.
  • The Otogram can be safely implemented in controlled clinical environments with audiologist supervision.
  • This technology offers a potential advancement in audiological assessments.