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The Expected Benefit of Hearing Aids in Quiet as a Function of Hearing Thresholds

The Expected Benefit of Hearing Aids in Quiet as a Function of Hearing Thresholds

Peter J. Blamey
Copyright: © 2019 |Pages: 23
ISBN13: 9781522581918|ISBN10: 152258191X|EISBN13: 9781522581925
DOI: 10.4018/978-1-5225-8191-8.ch004
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MLA

Blamey, Peter J. "The Expected Benefit of Hearing Aids in Quiet as a Function of Hearing Thresholds." Tele-Audiology and the Optimization of Hearing Healthcare Delivery, edited by Elaine Saunders, IGI Global, 2019, pp. 63-85. https://doi.org/10.4018/978-1-5225-8191-8.ch004

APA

Blamey, P. J. (2019). The Expected Benefit of Hearing Aids in Quiet as a Function of Hearing Thresholds. In E. Saunders (Ed.), Tele-Audiology and the Optimization of Hearing Healthcare Delivery (pp. 63-85). IGI Global. https://doi.org/10.4018/978-1-5225-8191-8.ch004

Chicago

Blamey, Peter J. "The Expected Benefit of Hearing Aids in Quiet as a Function of Hearing Thresholds." In Tele-Audiology and the Optimization of Hearing Healthcare Delivery, edited by Elaine Saunders, 63-85. Hershey, PA: IGI Global, 2019. https://doi.org/10.4018/978-1-5225-8191-8.ch004

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Abstract

This chapter aimed to estimate speech perception benefits in quiet for clients with different degrees of hearing loss. The difference between aided and unaided scores on a monosyllabic word test presented binaurally was used as the measure of benefit. Retrospective data for 492 hearing aid users with four-frequency pure-tone average hearing losses (PTA) ranging from 5 dB HL to 76 dB HL in the better ear were analyzed using nonlinear regression. The mean benefit for the perception of monosyllabic words in this group of clients was 22.3% and the maximum expected benefit was 33.6% for a PTA of 52 dB HL. The expected benefit can be expressed as a reduction of the error rate by about half for isolated words and about one quarter for sentences across the full range of PTA.

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