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[Results from applying the monaural compressed speech test in Spanish at 75% and 100% in cases of stuttering and
Y R Peñaloza-López1, G Téllez, S Pérez-Ruiz
1Area de Procesos Centrales de la Audición y de Foniatría, Universidad Nacional Autónoma de México, México DF, México. yploza@yahoo.com.mx
Aim:
To evaluate the results obtained from applying the monaural compressed speech test in Spanish at 75% and 100% in cases of stutterers and controls.
Subjects And Methods:
The study involved 50 cases with ages ranging from 8 to 36 years, 25 of whom were stutterers and 25 controls, who were paired one to one by age, sex and schooling. Severe cases of stuttering were not included. Subjects had to have normal auditory functioning, which was evaluated by means of audiometry and peripheral vocal audiometry, and also normal cognitive functioning, which was assessed using TONI-2 in children and by the Spanish version of the Mini-Mental State Examination in adults.
Results:
The average number of correct answers on the CSTS at 75% was 60.98% in cases of stutterers and 82.04% in the group of controls (Student's t = -7.4; p = 0.0001), and on the CSTS at 100% the figures were 56.56% and 73.16%, respectively, (Student's t = -5.9; p = 0.0001). Sensitivity and specificity were calculated for each test by means of ROC curves, together with the cut-off point.
Conclusion:
Applying the CSTS in individuals who stutter helped us to identify disorders in the temporal processing of auditory information.
