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- W3033101917 abstract "Apathy is a negative symptom of schizophrenia and is associated with poor real world functioning. Therefore, it is important to have validated psychometric instruments to assess this symptom. This is the first study to validate the Spanish adaptation of the self-rated version of the Apathy Assessment Scale (AES-S) in patients with schizophrenia. Naturalistic, cross-sectional, validation study in 104 patients with schizophrenia evaluated using the following scales: Clinical Global Impression-Severity (CGI-S), Personal and Social Performance (PSP), Clinical Assessment Interview for Negative Symptoms (CAINS), Self-report of Negative Symptoms (SNS), Motivation and Pleasure Scale-Self-Report (MAP-SR), Calgary Depression Scale for Schizophrenia (CDSS), and Apathy Evaluation Scale-self-rated version (AES-S). Reliability: Internal consistency (Cronbach's alpha) was 0.908. Convergent validity: The Pearson correlation coefficient between AES-S and CAINS-MAP total scores was −0.483 ( p < 0.001). For SNS, total and avolition subscale scores were −0.803 and −0.639 ( p < 0.001), respectively. With the MAP-SR, the correlation coefficient was −0.727 ( p < 0.001). Divergent validity: The Pearson correlation coefficient between AES-S and PSP total scores was 0.504 ( p < 0.001). Furthermore, with the CDSS, the correlation coefficient was −0.431 ( p < 0.001). Discriminant validity: The AES-S discriminated between different levels of illness severity according to CGI-S scores. Factor analysis: A three-component solution explained 57.32% of the variance. Pearson correlations between coefficients were 1–2 = 0.265, 1–3 = 0.464, and 2–3 = 0.060. The Spanish AES-S is a reliable and valid instrument for assessing apathy in Spanish patients with schizophrenia. It seems to be appropriate for use in everyday clinical practice as a means of monitoring apathy in these patients. La apatía es un síntoma negativo de la esquizofrenia, y está asociada a un mal funcionamiento del mundo real. Por tanto, es importante disponer de instrumentos psicométricos validados para valorar este síntoma. Este es el primer estudio que valida la adaptación al español de la versión auto-evaluada de la escala de evaluación de la apatía (AES-S) en pacientes esquizofrénicos. Estudio naturalista, transversal y de validación realizado en 104 pacientes esquizofrénicos evaluados utilizando las escalas siguientes: Clinical Global Impression-Severity (CGI-S), Personal and Social Performance (PSP), Clinical Assessment Interview for Negative Symptoms (CAINS), Self-report of Negative Symptoms (SNS), Motivation and Pleasure Scale-Self-Report (MAP-SR), Calgary Depression Scale for Schizophrenia (CDSS) y Apathy Evaluation Scale-self-rated version (AES-S). Fiabilidad: La consistencia interna (alfa de Cronbach) fue de 0,908. Validez convergente: El coeficiente de correlación de Pearson entre las puntuaciones totales de AES-S y CAINS-MAP fue de −0,483 (p < 0,001). Para SNS, las puntaciones totales y de la subescala de abulia fueron de −0,803 y −0,639 (p < 0,001), respectivamente. En cuanto a la escala MAP-SR, el coeficiente de correlación fue de −0,727 (p < 0,001). Validez divergente: El coeficiente de correlación de Pearson entre las puntuaciones totales de AES-S y PSP fue de 0,504 (p < 0,001). Además, en la escala CDSS, el coeficiente de correlación fue de −0,431 (p < 0,001). Validez discriminante: La escala AES-S discriminó entre los diferentes niveles de gravedad de la enfermedad, conforme a las puntuaciones CGI-S. Análisis factorial: Una solución de tres componentes explicó el 57,32% de la varianza. Las correlaciones de Pearson entre los coeficientes fueron de 1-2 = 0,265, 1-3 = 0,464 y 2-3 = 0,060. La versión española de AES-S es un instrumento fiable y válido para valorar la apatía en los pacientes esquizofrénicos españoles, que parece adecuado para utilizar en la práctica clínica diaria, como medio de cribado de la apatía en dichos pacientes." @default.
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- W3033101917 date "2022-01-01" @default.
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- W3033101917 title "Validation of a European Spanish adaptation of the Apathy Evaluation Scale-self-rated version (AES-S) in patients with schizophrenia" @default.
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- W3033101917 doi "https://doi.org/10.1016/j.rpsm.2020.04.008" @default.
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