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The aim of this study was to explore the collapsibility of the Italian version of Khalfa’s hyperacusis questionnaire (HQ). We identified the more statistically significant items of the HQ and created the short hyperacusis questionnaire (SHQ). We recruited 117 consecutive outpatients with a primary complaint of tinnitus at least from 3 months. All patients filled in the complete Italian version of the HQ and underwent an audiological examination including uncomfortable loudness levels (ULLs). A logistic model was carried out getting odds ratios (ORs) estimates of hyperacusis according to the items responses. To create the SHQ, we selected six items that were the only ones to present a statistically significant ORs value different from 1. The internal consistency of the SHQ was assessed by means of Cronbach α index. A ROC analysis was performed and an optimal cut-off point was found using the Youden index. Our analysis showed a Cronbach α of 0.67. The area under the ROC curve (AUC), expression of the overall performance of the SHQ versus the ULLs test, was statistically significant (P<0.05). We found a cut-off of 0.24 as indicative of hyperacusis (sensitivity (Se) = 78.79%, specificity (Sp) = 42.50%). SHQ could be useful only in the initial screening of individuals with hyperacusis. We suggest further studies for the validation of a new questionnaire on hyperacusis.
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