| The reliability and sensitivity to change of acoustic measures of voice quality. | |
| | |
MedLine Citation:
|
PMID: 15373870 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
This study aimed to evaluate the reliability and sensitivity to change of three commonly used acoustic parameters as measured by the Multi-Dimensional Voice Programme (MDVP); jitter, shimmer and noise-to-harmonic ratio. A total of 231 subjects' voices were recorded and analysed. The sample comprised 145 dysphonic patients who received intervention (surgery or voice therapy), 36 dysphonic patients who received no intervention, and 50 non-dysphonic (normal) subjects. All voices were recorded and analysed on two occasions (before and after treatment, or test-retest assessment) using a standard procedure. These data were analysed using standard psychometric procedures for assessing reliability and responsiveness. The acoustic analysis measures demonstrated poor to moderate reliability and effect size with respect to their sensitivity to change. Caution should be exercised in the injudicious use of computer-based acoustic analysis systems as an isolated measure of voice outcome in any clinical trial of interventions aimed at improving voice quality. |
| | |
Authors:
|
P N Carding; I N Steen; A Webb; K MacKenzie; I J Deary; J A Wilson |
Publication Detail:
|
Type: Journal Article; Research Support, Non-U.S. Gov't; Validation Studies |
Journal Detail:
|
Title: Clinical otolaryngology and allied sciences Volume: 29 ISSN: 0307-7772 ISO Abbreviation: Clin Otolaryngol Allied Sci Publication Date: 2004 Oct |
Date Detail:
|
Created Date: 2004-09-17 Completed Date: 2005-01-11 Revised Date: 2006-11-15 |
Medline Journal Info:
|
Nlm Unique ID: 7701793 Medline TA: Clin Otolaryngol Allied Sci Country: England |
Other Details:
|
Languages: eng Pagination: 538-44 Citation Subset: IM |
Affiliation:
|
Department of Otolaryngology, Head and Neck Surgery, University of Newcastle, UK. paul.carding@ncl.ac.uk |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Adolescent Adult Aged Aged, 80 and over Demography Female Humans Male Middle Aged Reproducibility of Results Sensitivity and Specificity Speech Acoustics* Voice Disorders / diagnosis*, therapy* Voice Quality* Voice Training* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: A randomized trial of local anaesthetic in treatment of quinsy.
Next Document: Effects of gastroesophageal reflux disease in laryngeal carcinoma.