Objectivating nasality in healthy and velopharyngeal insufficient children with the Nasalance Acquisition System (NasalView). Defining minimal required speech tasks assessing normative values for Dutch language

International Journal of Pediatric Otorhinolaryngology
Thijs T Hogen Esch, Philippe H Dejonckere

Abstract

(1) To define normative nasalance data for Dutch language with "the NasalView System", and obtain a reference for normality when nasality is evaluated in children. (2) To investigate the minimal number of required speech tasks for a reliable nasalance measurement. 55 children (30 normal and 25 velopharyngeal insufficient), aged between 4 and 11 were included. All children had to read or repeat two Dutch passages ((one with a normal amount of nasal consonants (normal passage) and one with none (nonnasal passage)). Further, one normal and one velopharyngeal insufficient subject read a passage in repetition to test the NasalViews reproducibility: (1) For both passages, group means (GM) and standard deviations (S.D.) were used to compute "pathological nasalance boundaries" [GM +/- (2 x S.D.)], in combination with the coefficient of variation (CV), sensitivity, specificity and positive predictive values. (2) With ANOVA all sentences within each passage were tested for significant differences in nasalance. (1) The pathological boundaries were 28.6-41.4% (GM: 35.0) and 21.4-34.7% (GM: 28.1), for the normal and nonnasal passage, respectively. For the normal passage a sensitivity of 96%, a specificity of 93% and a positive predictive va...Continue Reading

References

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Citations

Jul 12, 2011·The Cleft Palate-craniofacial Journal : Official Publication of the American Cleft Palate-Craniofacial Association·N E SpruijtA B Mink van der Molen
Jul 12, 2011·The Cleft Palate-craniofacial Journal : Official Publication of the American Cleft Palate-Craniofacial Association·Yun-Jeng TsaiGuo-She Lee
May 24, 2014·Logopedics, Phoniatrics, Vocology·Rasha M El-KassabiAbdullah Alfaris
Jun 15, 2011·Clinical Linguistics & Phonetics·Areti OkalidouEleni Grigoraki
Feb 6, 2008·Journal of Plastic, Reconstructive & Aesthetic Surgery : JPRAS·Aebele B Mink van der MolenBart M Stubenitsky
Jul 4, 2006·International Journal of Pediatric Otorhinolaryngology·Maria SchusterElmar Nöth
Oct 26, 2013·Folia Phoniatrica Et Logopaedica : Official Organ of the International Association of Logopedics and Phoniatrics (IALP)·Thomas WattersonKelly Nett Cordero
Apr 19, 2011·Journal of Speech, Language, and Hearing Research : JSLHR·Shaheen N AwanChristopher R Watts

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