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Propiedades psicométricas de la versión española de la Escala de Detección del Trastorno de Ansiedad Generalizada según DSM-IV de Carroll y Davidson.

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Title: Propiedades psicométricas de la versión española de la Escala de Detección del Trastorno de Ansiedad Generalizada según DSM-IV de Carroll y Davidson.
Alternate Title: Psychometric properties of the Spanish version of the screening scale for DSM-IV Generalized Anxiety Disorder of Carroll and Davidson.
Authors: Bobes, J.1 bobes@uniovi.es, García-Calvo, C.2, Prieto, R.2, García-García, M.3, Rico-Villademoros, F.3
Source: Actas Espanolas de Psiquiatria. mar2006, Vol. 34 Issue 2, p83-93. 11p.
Subjects: ANXIETY, PATIENTS, THERAPEUTICS, PSYCHOMETRICS
Geographic Terms: SPAIN
Abstract (English): Introduction. The aim was to validate the Spanish version of the screening scale for DSM-IV General Anxiety Disorder of Carroll and Davidson for use in research and clinical practice in Spain for screening and assessing specific anxiety symptoms of patients with Generalized Anxiety Disorder (GAD). Methods. Observational, prospective, multisite, study comparing between patients with DSM-IV diagnosis of GAD (group A), starting or switching treatment (group A1) or stable patients (group A2), followed-up for 6 months (group A1) or 2 weeks (group A2) versus healthy control subjects (group B), assessed in a single visit. Results. Among 223 valuable subjects the scale showed: a) adequate feasibility with a mean time of administration: 6,53 and 4,49 min (TD: 5.48 and 3.56) in groups A and B, and percentage of patients without response <5 %; b) adequate reliability (Kuder-Richardson coefficient: 0.85 and 0.79 in groups A1 and A2, and CCI coefficient: 0.89 in group A2); c) adequate validity, showing capability for discriminating between patients and controls, with area under curve AUC: 0.9713 (IC 95 %: 0.9510-0.9917), and obtaining a high correlation with HARS (r=0.88) and CGI-G (r=0.87) scales, y d) adequate sensitivity to clinical changes from start and end of treatment (SES: -1.6, -3.1 and -3.8 after 1, 3 and 6 months), spite of the high percentage of patients with highest score in group A1 (38.6 %). Conclusion. The Spanish version of the screening scale for DSM-IV GAD showed adequate psychometric properties for use in research and clinical practice in Spain as well as an screening as evaluative measure for patients with GAD, spite of the ceiling effect showed in severe patients. [ABSTRACT FROM AUTHOR]
Abstract (Spanish): Introducción. El objetivo era validar en español la Escala del trastorno de ansiedad generalizada (TAG) de Carroll y Davidson para su uso en la práctica e investigación clínica en España para detectar y evaluar los síntomas específicos de ansiedad de los pacientes con TAG. Métodos. Estudio observacional, prospectivo, multicéntrico, comparativo entre pacientes con diagnóstico DSM-IV de TAG (grupo A) que iniciaron o cambiaron de tratamiento (grupo A1) o estables (grupo A2), seguidos durante 6 meses (grupo A1) o 2 semanas (grupo A2), frente a controles sanos (grupo B) evaluados en una ocasión. Resultados. La escala mostró en 223 sujetos valorables: a) adecuada factibilidad con tiempo de administración medio: 6,53 y 4,49 min (DT: 5,48 y 3,56) en grupos A y B, y porcentaje de pacientes sin respuesta <5%; b) adecuada fiabilidad (coeficientes Kuder-Richardson: 0,85 y 0,79 en grupos A1 y A2, y CCI: 0,89 en grupo A2); c) adecuada validez, confirmándose su capacidad discriminante entre pacientes y controles, con área bajo la curva AUC: 0,9713 (IC 95 %: 0,9510-0,9917), y su alta correlación con escalas HARS (r=0,88) y CGI-G (r=0,87), y d) adecuada sensibilidad para detectar cambios clínicos entre antes y después del tratamiento (SES: -1,6, -3,1 y -3,8 en meses 1, 3 y 6) pese al elevado porcentaje de pacientes con puntuación máxima en grupo A1 (38,6 %). Conclusiones. La Escala del TAG posee adecuadas propiedades psicométricas para su uso en la práctica e investigación clínica en España como instrumento de cribado y evaluativo con pacientes con TAG pese al efecto techo que presenta en pacientes graves. [ABSTRACT FROM AUTHOR]
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Database: MedicLatina
Description
Abstract:Introduction. The aim was to validate the Spanish version of the screening scale for DSM-IV General Anxiety Disorder of Carroll and Davidson for use in research and clinical practice in Spain for screening and assessing specific anxiety symptoms of patients with Generalized Anxiety Disorder (GAD). Methods. Observational, prospective, multisite, study comparing between patients with DSM-IV diagnosis of GAD (group A), starting or switching treatment (group A1) or stable patients (group A2), followed-up for 6 months (group A1) or 2 weeks (group A2) versus healthy control subjects (group B), assessed in a single visit. Results. Among 223 valuable subjects the scale showed: a) adequate feasibility with a mean time of administration: 6,53 and 4,49 min (TD: 5.48 and 3.56) in groups A and B, and percentage of patients without response <5 %; b) adequate reliability (Kuder-Richardson coefficient: 0.85 and 0.79 in groups A1 and A2, and CCI coefficient: 0.89 in group A2); c) adequate validity, showing capability for discriminating between patients and controls, with area under curve AUC: 0.9713 (IC 95 %: 0.9510-0.9917), and obtaining a high correlation with HARS (r=0.88) and CGI-G (r=0.87) scales, y d) adequate sensitivity to clinical changes from start and end of treatment (SES: -1.6, -3.1 and -3.8 after 1, 3 and 6 months), spite of the high percentage of patients with highest score in group A1 (38.6 %). Conclusion. The Spanish version of the screening scale for DSM-IV GAD showed adequate psychometric properties for use in research and clinical practice in Spain as well as an screening as evaluative measure for patients with GAD, spite of the ceiling effect showed in severe patients. [ABSTRACT FROM AUTHOR]
ISSN:11399287