Validation and internal consistency of Patient Health Questionnaire-9 for major depression in Parkinson's disease | Zendy

Marcos Hortes Nisihara Chagas | Zendy; Vítor Tumas | Zendy; Guilherme Riccioppo Rodrigues | Zendy; João P. MachadodeSousa | Zendy; Antônio Francisco de Souza Filho | Zendy; Jorge Hallak | Zendy; J.A.S. Crippa | Zendy

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Validation and internal consistency of Patient Health Questionnaire-9 for major depression in Parkinson's disease

Author(s) -

Marcos Hortes Nisihara Chagas,

Vítor Tumas,

Guilherme Riccioppo Rodrigues,

João P. MachadodeSousa,

Antônio Francisco de Souza Filho,

Jorge Hallak,

J.A.S. Crippa

Publication year - 2013

Publication title -

age and ageing

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.014

H-Index - 143

eISSN - 1468-2834

pISSN - 0002-0729

DOI - 10.1093/ageing/aft065

Subject(s) - medicine , depression (economics) , patient health questionnaire , rating scale , geriatric depression scale , parkinson's disease , gold standard (test) , discriminant validity , physical therapy , disease , depressive symptoms , psychiatry , psychometrics , internal consistency , clinical psychology , psychology , cognition , developmental psychology , economics , macroeconomics

depression is common in Parkinson's disease (PD), although frequently under-recognised. Among the scales used to investigate depressive features in PD, the Patient Health Questionnaire-9 (PHQ-9) has been largely used, but no specific cut-off scores for depression have been established thus far, which hinders the use of the PHQ-9 in clinical and research settings.

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