Related Experiment Video
Updated: May 4, 2026
An Automated System for Sound Localization Testing in Hearing-Impaired Listeners
Published on: March 13, 2026
Survey and data analysis of patients treated in a hearing aids grant program
Purpose:
To establish a profile of the patients treated in a Hearing Aids Grant Program of the Brazilian Ministry of Health, by analyzing the variables: age, sex, type and degree of hearing loss, number of aided patients, adaptation type (unilateral or bilateral), and adapted ear.
Methods:
This is a descriptive observational study, retrospective in a cross-sectional perspective, which included patients treated between February 2006 and July 2010, totaling 1,572 individuals;
Results:
Their ages ranged from 3 to 100 years, mostly elderly (52.8%), with no frequency difference between the sexes. The sensorineural (73.12%) and moderate (54.7%) hearing losses were the most frequent ones, except in children, in whom the degree found was more profound (45.3%). More than 99% of the patients were aided, 258 unilaterally and 1,302 bilaterally.
Conclusion:
Mostly patients presents 60 years old or more, with no frequency difference between the sexes. The sensorioneural and moderate hearing losses were the most frequent ones, except in children. More than 99% of the patients were aided and the conducts were defined based in the audiological diagnosis and patient's needs.
