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Revista chilena de neuro-psiquiatría

versión On-line ISSN 0717-9227

Resumen

BAADER M, Tomas et al. Validity and utility of PHQ9 (Patient Helth Questionnaire) in the diagnosis of depression in user patients of primary care in Chile. Rev. chil. neuro-psiquiatr. [online]. 2012, vol.50, n.1, pp. 10-22. ISSN 0717-9227.  http://dx.doi.org/10.4067/S0717-92272012000100002.

Background: Depressive disorders (TD) is a set of prevalent diseases that require proper diagnosis and treatment. In Chile, the instruments of evaluation and diagnosis are scarce. As a way to address this difficulty, the objective of this study was to validate the Spanish version of the self-reported Patient Health Questionarie (PHQ-9), the consulting population in primary care in Chile. The PHQ-9 to detect depressive symptoms as mild, moderate or severe, and has proven to be an efficient diagnostic tool. Methods: 1327 patients evaluated in June 2005 from five urban general practices of the Commune of Valdivia answered individually the PHQ-9. A subsample was compared with the Hamilton scale for depression, ICD-10 criteria for depression and XX version of the PHQ-9. Results: The PHQ-9 demonstrated a sensitivity of 92% and 89% specificity in detecting depressive patients, when compared to the Hamilton-D scale. It presents a construct validity and predictive validity concurrent with the ICD-10 criteria for depression. Conclusions: The PHQ-9 showed a psychometric allowing clinical use in primary care patients in Chile.

Palabras llave : Depression; PHQ-9 questionnarie; validity in primary care.

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