2023
DOI: 10.1002/lary.31230
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The Minimal Important Difference of Acoustic Voice Quality Index in the Treatment of Voice Disorders

Kiyohito Hosokawa,
Toshihiko Iwahashi,
Mio Iwahashi
et al.

Abstract: ObjectivesThe acoustic voice quality index (AVQI) is a reliable tool that objectively assesses dysphonia levels using six acoustic parameters. Despite its high criterion‐related concurrent validity, diagnostic accuracy, and minimal detectable change derived from test–retest reliability, the minimal important difference (MID) of the AVQI has not been tested before. This study aimed to estimate the MIDs of AVQI for improvement audibly perceived by clinicians and self‐reported improvement by patients.MethodsA ret… Show more

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