Accuracy of three depression screening scales to diagnose major depressive episodes in older adults without neurocognitive disorders
AUTOR(ES)
Costa, Mônica V., Diniz, Maissa F., Nascimento, Kenia K., Pereira, Kelly S., Dias, Natalia S., Malloy-Diniz, Leandro F., Diniz, Breno S.
FONTE
Rev. Bras. Psiquiatr.
DATA DE PUBLICAÇÃO
2016-06
RESUMO
Objective: To determine the sensitivity and specificity of three depression screening scales to diagnose major depressive episodes in the elderly. Methods: Participants (n=129, 88% female) answered a semi-structured psychiatric interview (Mini International Neuropsychiatric Interview) to determine the diagnosis of major depressive disorder. After this, depressive symptoms in depressed and non-depressed subjects were assessed by independent administration of the 15-item Geriatric Depression Scale (GDS-15), Patient Health Questionnaire-9 (PHQ-9), and 17-item Hamilton Rating Scale for Depression (HDRS-17). Results: Patients with major depression and controls did not differ in age and gender distribution. The sensitivity and specificity of all scales to identify a major depressive episode in older adults were ≥ 90%. There were no significant differences between the areas under the curve for PHQ-9 vs. HDRS-17 (z = 1.2, p = 0.2), PHQ-9 vs. GDS-15 (z = 0.26, p = 0.8), or HDRS-17 vs. GDS-15 (z = 1.2, p = 0.2). Conclusion: This study provides evidence supporting the use of PHQ-9 and GDS-15, both of which are simple to administer and easy to interpret, to diagnose major depressive episodes in older adults without neurocognitive disorders.
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