Abstract:To subjects with gender dysphoria, body image is an important aspect of their condition. These individuals at times report high body dissatisfaction, similar to individuals with an eating disorder. In total, 61 subjects with gender dysphoria, 30 subjects with an eating disorder, and 40 healthy subjects were evaluated. We parted from the hypothesis that gender dysphoria subjects present more body dissatisfaction than the control group, but less than the eating disorder group. Results regarding body dissatisfaction (related to body beauty ideals) showed signifi cant differences between groups. Subjects with gender dysphoria had higher scores in the body dissatisfaction subscale than the general population, but lower scores than people with eating disorders.Keywords: Body dissatisfaction; body image; gender identity; eating disorders. Diferencias y similitudes en la insatisfacción corporal entre personas con trastornos alimentarios, personas con disforia de género y estudiantes universitariosResumen: Para las personas con disforia de género, la imagen corporal es un aspecto fundamental en su condición. Éstas a veces manifi estan alta insatisfacción corporal, similar a la que pueden tener personas con trastornos de la conducta alimentaria. En total, 61 personas con disforia de género, 30 personas con trastornos de la conducta alimentaria y 40 personas sanas fueron evaluadas. Como hipótesis se esperaba que los sujetos con disforia de género presentaran mayor insatisfacción corporal que el grupo control, pero menos que el grupo de trastornos de la conducta alimentaria. Los resultados sobre insatisfacción corporal (asociada al ideal de belleza) mostraron diferencias signifi cativas entre los grupos. Las personas con disforia de género tuvieron mayores puntuaciones en insatisfacción corporal que la población general, pero menores puntuaciones que las manifestadas por las personas con trastornos de la conducta alimentaria.Palabras clave: Insatisfacción corporal; imagen corporal; identidad de género; trastornos de la conducta alimentaria

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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