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Development and validation of the Spanish abbreviated version of the Transsexual Voice Questionnaire for
Juan Carlos Casado-Morente1, Elena Mora Rivas2, Carlos O'Connor Reina1
1Servicio de Otorrinolaringología, Hospital Quirónsalud, Marbella, Málaga, España.
Objective:
The aim of this study was to create and validate an abbreviated version of the Spanish Transsexual Voice Questionnaire for Male-to-Female Transsexuals (SvTVQMtF).
Setting:
The study was conducted by two referral hospitals for voice feminization surgery and by a university department of psychology and speech therapy, all in Spain.
Subjects And Methods:
We prospectively studied 51 male-to-female transsexuals who underwent voice feminization surgery between January 2017 and December 2018. The SvTVQMtF was completed before and after surgery, and the 10 items with the greatest variation were selected by clinical consensus of an expert panel to develop the short version of the SvTVQMtF (SvTVQMtF-10). The correlation between the total score and the score for each item on the SvTVQMtF and the SvTVQMtF-10 was studied. The internal consistency of the SvTVQMtF-10 was analysed.
Results:
Good correlation (Pearson coefficient above .90) was found between the two questionnaires. A significant correlation was found between the total SvTVQMtF-10 score and the score for each item. A significant negative correlation was found between the SvTVQMtF and fundamental frequency after voice feminization surgery. Cronbach's α was .79.
Conclusion:
The SvTVQMtF-10 is a valid short version of the SvTVQMtF and can be used to quantify voice-related quality of life in MtF transsexuals.
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