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  • Title: Automated hearing tests: applying the otogram to patients who are difficult to test.
    Author: Yu J, Ostevik A, Hodgetts B, Ho A.
    Journal: J Otolaryngol Head Neck Surg; 2011 Oct; 40(5):376-83. PubMed ID: 22420392.
    Abstract:
    OBJECTIVE: The Otogram is an automated audiometer capable of determining air and bone conduction thresholds with masking when appropriate. The manufacturer claims that testing can be done in a quiet physician's consultation room without a sound-treated booth. We aimed to test the validity of the Otogram on "difficult-to-test" patients, all of whom require masking. METHODS: Twenty-eight difficult-to-test patients underwent three audiograms: two by an audiologist and one by the Otogram. First, audiograms performed by the audiologists were compared, establishing test-retest reliability. Second, audiograms performed by the Otogram were compared to those of the audiologists. We calculated the percentage of pure-tone thresholds that were in agreement by 10 dB. Weighted kappa statistical analyses demonstrated levels of agreement. RESULTS: Comparisons between audiologists demonstrated a very high degree of agreement. More than 90% of air and bone conduction thresholds fell within 10 dB of each other. Comparisons between audiologists and the Otogram also demonstrated a high degree of agreement. CONCLUSIONS: The Otogram has the capability to accurately ascertain air and bone conduction thresholds. It appropriately used masking when indicated. The Otogram has great potential as a diagnostic tool to improve access to health care, especially where hearing test facilities are limited or unavailable.
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