Summary
Objective
To propose a short instrument for the screening of dysphonia in the Brazilian population
through the investigation of traditional voice self-assessment instrument items.
Methods
We analyzed the medical records of 139 individuals with an average age of 37.4 years
and a minimum and maximum age of 18 and 77 years, respectively. The participants were
classified as dysphonic (D) or non-dysphonic (ND) according to an analysis of the
combination of vocal complaints and laryngological reports. Responses to the items
of the following self-assessment instruments were collected: the Questionário de Qualidade de Vida em Voz – QVV (Voice-Related Quality of Life – V-RQOL), the Índice de Desvantagem Vocal – IDV (Voice Handicap Index – VHI) and the Escala de Sintomas Vocais – ESV (Voice Symptom Scale – VoiSS). These items were analyzed regarding their predictive
capacities for dysphonia through logistic regression models.
Results
The model containing items of the QVV was not observed to be valid. The model for
the IDV produced a set of three items (10, 13, and 14), and the ESV model showed two
items (4 and 20) to be significant. A Global model combining the previous models shows
that items I feel as though I have to strain to produce voice from the IDV and “Is
your voice hoarse?” from the ESV are the most significant in the classification of
the presence of dysphonia. This decision-making model was considered the most efficient
to identify the dysphonia, with the highest level of accuracy compared to the other
models investigated (83.4%).
Conclusion
Dysphonia screening can be performed using a simple, rapid protocol with a high-efficiency
index that includes two items taken from traditional voice self-assessment instruments.
Key Words
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Article info
Publication history
Published online: February 13, 2021
Accepted:
December 21,
2020
Footnotes
Institution: Research conducted in the Department of Speech Therapy of the Federal University of Paraíba, UFPB, João Pessoa, PB, Brazil.
Funding: This study was not supported by any funding source.
Identification
Copyright
© 2021 The Voice Foundation. Published by Elsevier Inc. All rights reserved.
