Abstract：
BACKGROUND:The aim of this study was to determine the test-retest variability of the Acoustic Voice Quality Index (AVQI) and to investigate the weighting of the test's two components (sustained vowel and continuous speech) with regards to the final AVQI score. PATIENTS AND METHODS:During this study, 43 test subjects with varying degrees of hoarseness were each assessed twice using the AVQI. RESULTS:No statistically significant differences were found between the end results of the two AVQI repetitions (t = 1.205; p = 0.235). The test-retest procedure outcome value of 0.54 confirms a low level of AVQI score variability. The end result of the AVQI assessment is most strongly influenced by sustained phonation of the vowel /a/ (r(2) = 0.88.). Although sustained phonation has a significantly greater influence on AVQI score than continuous speech (z = - 3.34; p < 0.01), the latter component also makes a substantial contribution to the final result (r(2) = 0.55). CONCLUSIONS:The results confirm a low level of test-retest variability within the AVQI. Combining the two speech elements showed a greater contribution of sustained vowel phonation to the final AVQI score.
journal_name
HNOjournal_title
HNOauthors
Barsties B,Maryn Ydoi
10.1007/s00106-012-2649-0subject
Has Abstractpub_date
2013-05-01 00:00:00pages
399-403issue
5eissn
0017-6192issn
1433-0458journal_volume
61pub_type
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