Auditory-perceptual evaluation of the overall severity of vocal deviation by comparing the visual analog and numerical scales
Year: 2025
Type: article
Abstract: ABSTRACT Purpose: to analyze the cutoff points, sensitivity, and specificity of the correspondence between the visual analog and numerical scales in assessing the overall severity of vocal deviation with linked speech tasks. Methods: 105 voices were selected for the linked speech task. Six speech-language-hearing pathologists evaluated the samples regarding the overall severity of deviation, using the visual analog and numerical scales, with a 2-day interval between them. The study defined cutoff values based on sensitivity and specificity, used the intraclass correlation coefficient, kappa coefficient, Spearman’s coefficient, analysis of variance, and analysis of sensitivity and specificity, and set the significance level at 5%. Results: the cutoff values were defined as absent deviation - up to 27 mm, mild - from 27.1 to 50.5 mm, moderate - from 50.6 to 68.5 mm, and intense deviation - 68.6 to 100 mm. The following values were found regarding performance, sensitivity, and specificity, respectively: absent deviation - 0.74, 0.94, and 0.86; mild - 0.57, 0.92, and 0.85; moderate - 0.68, 0.93, and 0.89; intense - 0.95, 0.95, and 0.95. Conclusion: the numerical scale adequately identified the cutoff points of the overall severity of vocal deviation on the visual analog scale, during the linked speech task.
Source: Revista CEFAC
Institution: Universidade Federal de Minas Gerais
Language: English
Topic: Voice and Speech Disorders
Subfield: Physiology
Field: Medicine
Domain: Health Sciences
Open Access status: gold
Estimated APC paid: $200
Awards: G2823776494, G3519237112
OpenAlex ID: W4411735456