Sensitivity and specificity of the Speech, Spatial and Qualities of Hearing Scale (SSQ5) for screening hearing in adults

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Abstract
Purpose To investigate the sensitivity and specificity of 5 questions of the SSQ in Brazilian Portuguese for its application as a hearing screening instrument in adults. Methods A total of 135 adults with a mean age of 49.6 years and education of 9 years took part in the study. All subjects underwent hearing tests and were divided into 2 groups according to hearing acuity: G1 – 66 individuals with normal hearing on audiometric test: and G2 – 69 participants with impaired hearing on audiometric evaluation in one or both ears. The 5 items of the SSQ5, derived from the Brazilian Portuguese version of the SSQ49 were applied. The level of significance was set at a p-value ≤ 0.05, with a 95% confidence interval. Results G1 subjects were younger and higher educated (p<0.01). A weak positive correlation was found between education and SSQ5 score only in G1. In G2, there was no correlation of age or education with SSQ5 performance. The area under the ROC curve (AUC) for the relationship between SSQ5 and audiometric average was 0.854 and p-value was <0.001 with bounds of 0.79 and 0.91. SSQ5 scores were lower in G2 (p<0.001). The cut-off point with optimal balance between sensitivity and specificity was 7.3, yielding 80% accuracy, 81.8% sensitivity and 78.3% specificity. Conclusion The Brazilian Portuguese version of the SSQ5 proved suitable for screening hearing loss in adults, offering good accuracy, sensitivity and specificity for detecting hearing loss.

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