Normative Values for the Children Voice Handicap Index-10 (CVHI-10) and for the Children Voice Handicap Index-10 for Parents (CVHI-10-P).

Objectives: The objective of this study was to establish normative data and cut-off scores for the Children Voice Handicap Index-10 (CVHI-10) and the Children Voice Handicap Index-10 for Parents (CVHI-10-P) METHODS: For normative data, CVHI-10 and CVHI-10-P questionnaires originally developed in the Italian language were completed by 201 children without dysphonia and with no history of voice disorders, and by 1 of their parents. The results were analyzed for mean, standard deviation (SD), and standard error of the mean (SEM) for both questionnaires. For cut-off values determination, data from 49 dysphonic children and from 1 of their parents were also used. This analysis was based on the sensitivity and specificity indicators of the questionnaires using the "receiver operating characteristic" (ROC) curve.
Results: Analysis of the questionnaires related to healthy children revealed a mean of 0.26 (SD 0.74; SEM 0.06) for CVHI-10 and a mean of 0.15 (SD 0.49; SEM 0.04) for CVHI-10-P for the normative values. ROC curve analysis allowed us to establish the cut-off scores of 2.5 for CVHI-10 and 1.5 for CVHI-10-P.
Conclusions: This study offers normative data for CVHI-10 and CVHI-10-P and provides cut-off values for both questionnaires to distinguish healthy and pathologic responders.
Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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