The Suicide Assessment Scale (SUAS) was constructed to be sensitive to change of suicidality. It was recently found to be predictive of suicide in a group of suicide attempters. The aim of the present study was to evaluate the reliability and validity of a modified interview version of SUAS with defined scores and also a new self-rating version (SUAS-S). The subjects consisted of former inpatients, 42 persons who had been admitted because of a suicide attempt about 12 years ago and 22 control patients. The subjects were rated according to the SUAS, the SUAS-S, as well as the Montgomery Asberg Depression Rating Scale (MADRS). The interrater reliability was found to be high. The SUAS correlated significantly with the MADRS, but the concordance was not consistent, which indicates that the SUAS measures something different from depression. The SUAS-S correlated significantly with the interview-rated SUAS, thus exhibiting good concurrent validity. In summary, both the modified interview version of SUAS and the SUAS-S seem to be valid, reliable and easily used suicide assessment instruments.
ResumenLa Escala de Evaluación del Suicidio (SUAS) se construyó para ser sensible al cambio de la suicidalidad. Se ha encontrado hace poco que la SUAS predecía el suicidio en un grupo de personas que habían intentado suicidarse. El propósito del presente estudio era evaluar la fiabilidad y la validez de una versión de entrevista modificada de la SUAS con puntuaciones definidas y también de una nueva versión de autoevaluación (SUAS-S). Los sujetos consistían en antiguos pacientes hospitalarios, 42 personas a las que habían ingresado unos 12 años antes a causa de un intento de suicido y 22 pacientes de control. Se evaluó a los sujetos con arreglo a la SUAS, la SUAS-S y la Escala de Evaluación de la Depresión de Montgomery-Åsberg (MADRS). Se encontró que la fiabilidad entre jueces era alta. La SUAS correlacionaba significativamente con la MADRS, pero la concordancia no era uniforme, lo que indica que la SUAS mide algo diferente a la depresión. La SUAS-S correlacionaba significativamente con al SUAS puntuada en entrevista, mostrando así buena validez concurrente. En resumen, tanto la versión de entrevista modificada de la SUAS como la SUAS-S parecen ser instrumentos de evaluación del suicidio válidos, fiables y de fácil uso.
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