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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
Published on: March 24, 2023
469
Are Speech Perception Scores in Cochlear Implant Recipients Consistent Across Different Tests?
Nicholas S Andresen1, Varun Vohra2, Deepa J Galaiya1
1Department of Otolaryngology-Head and Neck Surgery and Cochlear Implant Center, Johns Hopkins University School of Medicine.
Summary
Speech perception test scores from cochlear implant (CI) recipients cannot be reliably predicted between different tests. This limits comparisons of CI outcomes across institutions and time periods.
Area of Science:
- Audiology
- Biomedical Engineering
- Speech-Language Pathology
Background:
- Cochlear implant (CI) candidacy and outcomes rely on speech perception tests.
- Variability in test selection across centers hinders cross-institutional comparisons.
- Standardizing outcome measures is crucial for advancing CI research and clinical practice.
Purpose of the Study:
- To assess the reliability of predicting scores on one speech perception test from another.
- To establish predictive functions between different CI speech perception tests.
- To improve comparability of CI outcomes across diverse clinical and research settings.
Main Methods:
- Analysis of Arizona Biomedical (AzBio) Sentence Test, Consonant-Nucleus-Consonant word (CNCw), and Hearing in Noise Test (HINT) scores.
- Utilized Bland-Altman plots for assessing agreement between tests administered in the same session.
- Employed simple linear regression with logit transformation for predictive modeling.
Main Results:
- Limited agreement was observed between different speech perception tests performed concurrently.
- Score correlations between tests showed significant variances.
- Predictive functions could estimate mean scores but were unreliable for individual score prediction.
Conclusions:
- Direct score comparisons across different cochlear implant speech test batteries should be approached with caution.
- The findings highlight challenges in standardizing speech perception outcome measures in CI research.
- Further research is needed to develop robust methods for comparing CI outcomes across different testing protocols.
