AI Article Synopsis
- The study aims to determine the minimal clinically important difference (MCID) values for speech recognition scores associated with cochlear implants, as there haven't been prior reports on these values.
- It analyzed data from 863 adult patients who received cochlear implants, measuring their speech recognition scores before the procedure and calculating MCID values using various distribution-based methods.
- The findings suggest average MCID values for CNC words, AzBio in quiet, and AzBio in noise are 7.4%, 9.0%, and 4.9%, respectively, and highlight that improvements in speech recognition do not strongly correlate with patients' subjective hearing experiences.
Article Abstract
Objective: To assess the minimal clinically important difference (MCID) values for cochlear implant-related speech recognition scores, which have not been previously reported.
Study Design: Retrospective cohort.
Setting: Tertiary referral center.
Patients: Eight hundred sixty-three adult patients who underwent cochlear implantation between 2009 and 2022.
Main Outcome Measures: MCID values for consonant-nucleus-consonant (CNC) word scores and AzBio sentences in quiet and noise scores using distribution-based methods (half-standard deviation, standard error of measurement, Cohen's d, and minimum detectable change).
Results: In this cohort, the mean preoperative CNC word score was 13.9% (SD, 15.6). The mean preoperative AzBio sentences in quiet score was 19.1% (SD, 22.1), and the mean preoperative AzBio sentences in noise score was 13.0% (SD, 12.0). The average MCID values of several distribution-based methods for CNC, AzBio in quiet, and AzBio in noise were 7.4%, 9.0%, and 4.9%, respectively. Anchor-based approaches with the Speech, Spatial, and Qualities of hearing patient-reported measure did not have strong classification accuracy across CNC or AzBio in quiet and noise scores (ROC areas under-the-curve ≤0.69), highlighting weak associations between improvements in speech recognition scores and subjective hearing-related abilities.
Conclusions: Our estimation of MCID values for CNC and AzBio in quiet and noise allows for enhanced patient counseling and clinical interpretation of past, current, and future research studies assessing cochlear implant outcomes.
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| http://dx.doi.org/10.1097/MAO.0000000000004319 | DOI Listing |
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