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Objective and subjective hearing aid assessment outcomes.
1School of Audiology and Speech-Language Pathology, The University of Memphis, 807 Jefferson Avenue, Memphis, TN 38105, USA. lmendel@memphis.edu
American Journal of Audiology
|December 7, 2007
Summary
Objective tests like the Revised Speech Perception in Noise (R-SPIN) and Hearing in Noise Test (HINT) effectively measure hearing aid benefits. These assessments align with user-reported improvements in speech understanding.
Area of Science:
- Audiology
- Speech-Language Pathology
- Hearing Science
Background:
- Hearing aid fitting aims to improve speech understanding in noisy environments.
- Objective outcome measures are crucial for validating subjective patient reports of hearing aid benefit.
- Existing speech recognition tests vary in their sensitivity to detect subtle improvements.
Purpose of the Study:
- To evaluate the sensitivity of specific sentence recognition tests as objective measures of hearing aid efficacy.
- To determine if these objective measures correlate with subjective improvements in speech understanding reported by hearing aid users.
Main Methods:
- Administered the Revised Speech Perception in Noise (R-SPIN) test, Hearing in Noise Test (HINT), and Quick Speech-in-Noise (QuickSIN) test to 21 hearing aid users.
- Compared unaided and aided performance on these tests with self-assessments using the Hearing Aid Performance Inventory (HAPI).
Main Results:
- The R-SPIN, HINT Quiet threshold, and QuickSIN signal-to-noise ratio (SNR) loss demonstrated the highest sensitivity in objectively assessing speech perception improvements with hearing aids.
- Improvements in HAPI ratings correlated with enhanced performance on the R-SPIN, HINT Quiet threshold, and QuickSIN SNR loss.
Conclusions:
- Objective documentation of subjective patient experiences is vital for confirming hearing aid treatment efficacy.
- This study clarifies the relationship between objective and subjective outcome measures, aiding in the precise determination of hearing aid benefit.
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