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Assessment of two objective voice function indices

J F Piccirillo1, C Painter, D Fuller

  • 1Department of Otolaryngology, Washington University School of Medicine, St Louis, Missouri 63110, USA.

The Annals of Otology, Rhinology, and Laryngology
|May 22, 1998
PubMed
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Objective voice function indices show significant correlation with subjective voice assessments in patients with voice disorders. This finding supports their use in clinical trials for voice treatment effectiveness.

Area of Science:

  • Speech and Hearing Science
  • Medical Acoustics
  • Clinical Research

Background:

  • Healthcare professionals lack a validated method for classifying voice disorders and assessing treatment outcomes.
  • Existing objective and subjective measures for voice function have limitations.

Purpose of the Study:

  • To evaluate the relationship between two multivariate objective voice function indices and subjective voice function assessment.
  • To determine if objective measures correlate with subjective perceptions of voice quality.

Main Methods:

  • A prospective observational study involving 23 adult patients with voice disorders and 12 healthy controls.
  • Simultaneous assessment of 14 acoustic and physiological voice parameters using multichannel input.
  • Evaluation of recorded speech samples using the GRBAS scale for subjective assessment.

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Main Results:

  • A statistically significant relationship was found between the weighted odds ratio index and multivariate logistic regression index and mean GRBAS scores.
  • Objective voice function indices demonstrated significant association with subjective voice assessments.

Conclusions:

  • Multivariate objective voice function indices are significantly associated with subjective voice assessments.
  • These objective indices show potential for use in clinical trials and outcomes research for voice disorders.