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Prevalence, Incidence, and Sex Ratio of Transsexualism in the Autonomous Region of Madrid (Spain) According to Healthcare Demand

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Abstract

In recent years, different studies have provided estimates of the prevalence of transsexualism with very diverse results. The purpose of this study was to ascertain the prevalence, incidence, and sex ratio of transsexualism in the autonomous region of Madrid (Spain). A total of 1234 patients who attended from 2007 to the end of 2015 in the only Gender Identity Unit (GIU) in Madrid were analyzed. Sixty-three patients were excluded for various reasons; thus, 1171 could be included: 803 male-to-female (MtF) and 368 female-to-male (FtM) transsexual patients. Transsexualism was diagnosed based on the ICD-10, World Health Organization, 1992, and/or gender identity disorder based on the DSM-IV-TR, American Psychiatric Association, 2000. The demographic statistics were calculated on the basis of the population over 15 years old of Madrid. Based on healthcare demand, the prevalence of transsexualism was 22.1 in 100,000 inhabitants: 31.2 for MtF and 12.9 for FtM, making the MtF/FtM ratio approximately 2.2:1. The incidence rate was 2.5 in 100,000 inhabitants, representing an annual average of 130 demands. Although transsexualism occurs in all countries with different rates of prevalence, in our area, this prevalence was higher than reported from other European countries. We believe that two main circumstances might influence this high prevalence: the easy accessibility and the absence of a waiting list to the GIU, and the permissive social and legal climate and openness of Spain, especially in Madrid.

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Acknowledgements

The authors are indebted to Ana Royuela (Clinical Biostatistics Unit, Puerta de Hierro University Hospital, Instituto de Investigación Puerta de Hierro (IDIPHIM), Madrid, Spain), for her help in the statistical analysis.

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Authors and Affiliations

  1. Gender Identity Unit, University Hospital Ramón y Cajal, Madrid, Spain

    Antonio Becerra-Fernández, José Miguel Rodríguez-Molina, Nuria Asenjo-Araque & María Jesús Lucio-Pérez

  2. Department of Biomedic Sciences, University of Alcalá, Alcalá de Henares, Madrid, Spain

    Antonio Becerra-Fernández, María Carmen Berrocal-Sertucha & María Victorina Aguilar-Vilas

  3. Autonomous University of Madrid, Madrid, Spain

    José Miguel Rodríguez-Molina

  4. Admissions Department, University Hospital Ramón y Cajal, Madrid, Spain

    Miguel Cuchí-Alfaro

  5. Department of Psychiatry, University Hospital La Princesa, Madrid, Spain

    Eduardo García-Camba

  6. Department of Pediatrics, University Hospital Ramón y Cajal, Madrid, Spain

    Gilberto Pérez-López

  7. Department of Clinic Biochemistry, University Hospital Ramón y Cajal, Madrid, Spain

    Miriam Menacho-Román

  8. Emergency Department, University Hospital Ramón y Cajal, Madrid, Spain

    Domingo Ly-Pen

  9. Croydon UCC, Croydon University Hospital, London, CR7 7YE, UK

    Domingo Ly-Pen

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  1. Antonio Becerra-Fernández
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  2. José Miguel Rodríguez-Molina
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  3. Nuria Asenjo-Araque
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  6. Eduardo García-Camba
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  9. María Carmen Berrocal-Sertucha
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  10. Domingo Ly-Pen
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  11. María Victorina Aguilar-Vilas
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Correspondence to Domingo Ly-Pen.

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Becerra-Fernández, A., Rodríguez-Molina, J.M., Asenjo-Araque, N. et al. Prevalence, Incidence, and Sex Ratio of Transsexualism in the Autonomous Region of Madrid (Spain) According to Healthcare Demand. Arch Sex Behav 46, 1307–1312 (2017). https://doi.org/10.1007/s10508-017-0955-z

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