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Validity of a Brazilian version of the Zung self-rating depression scale for screening of depression in patients with Parkinson's disease.
Parkinsonism Relat Disord. 2010 Jan; 16(1):42-5.PR

Abstract

INTRODUCTION

Parkinson's disease (PD) is a neurodegenerative disorder with prominent motor manifestations and many other non-motor symptoms that significantly decrease quality-of-life and are frequently under-recognized, for example depression.

OBJECTIVE

To study the validity of a Brazilian version of the Zung Self-rating Depression Scale (SDS) for the diagnosis of depression in patients with PD.

METHODS

We evaluated 78 consecutive non demented patients over the age of 40 with diagnosis of PD at a Movement Disorders Outpatient Clinic, who could read and understand questionnaires. They completed the SDS and the Geriatric Depression Scale with 15 items (GDS-15). The diagnosis of depression was made after a structured clinical interview based on DSM-IV criteria for the diagnosis of major depression (SCID-CV).

RESULTS

The prevalence of major depression was 23.1%. Cronbach's alpha was 0.73 and the area under the ROC curve was 0.93 for the SDS. The score index of 55 had a sensitivity of 88.9% and a specificity of 83.3% for the diagnosis of depression. The total scores of the SDS and GDS-15 were highly correlated (0.652, p < 0.0001) and correlated weakly with the scores of a motor scale.

DISCUSSION

The SDS is a valid tool for screening depression in patients with PD since the specific SDS index of 55 is adopted. Two shortened versions could be used with good results.

Authors+Show Affiliations

Behavioral Neurosciences Department, Ribeirão Preto School of Medicine, University of São Paulo, Sao Paulo, Brazil.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

19660977

Citation

Chagas, Marcos Hortes Nisihara, et al. "Validity of a Brazilian Version of the Zung Self-rating Depression Scale for Screening of Depression in Patients With Parkinson's Disease." Parkinsonism & Related Disorders, vol. 16, no. 1, 2010, pp. 42-5.
Chagas MH, Tumas V, Loureiro SR, et al. Validity of a Brazilian version of the Zung self-rating depression scale for screening of depression in patients with Parkinson's disease. Parkinsonism Relat Disord. 2010;16(1):42-5.
Chagas, M. H., Tumas, V., Loureiro, S. R., Hallak, J. E., Trzesniak, C., de Sousa, J. P., Rodrigues, G. G., Santos Filho, A., & Crippa, J. A. (2010). Validity of a Brazilian version of the Zung self-rating depression scale for screening of depression in patients with Parkinson's disease. Parkinsonism & Related Disorders, 16(1), 42-5. https://doi.org/10.1016/j.parkreldis.2009.07.010
Chagas MH, et al. Validity of a Brazilian Version of the Zung Self-rating Depression Scale for Screening of Depression in Patients With Parkinson's Disease. Parkinsonism Relat Disord. 2010;16(1):42-5. PubMed PMID: 19660977.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Validity of a Brazilian version of the Zung self-rating depression scale for screening of depression in patients with Parkinson's disease. AU - Chagas,Marcos Hortes Nisihara, AU - Tumas,Vitor, AU - Loureiro,Sonia Regina, AU - Hallak,Jaime E C, AU - Trzesniak,Clarissa, AU - de Sousa,João Paulo Machado, AU - Rodrigues,Guilherme Gustavo Ricciopo, AU - Santos Filho,Alaor, AU - Crippa,José Alexandre S, Y1 - 2009/08/05/ PY - 2008/12/04/received PY - 2009/07/13/revised PY - 2009/07/22/accepted PY - 2009/8/8/entrez PY - 2009/8/8/pubmed PY - 2010/4/24/medline SP - 42 EP - 5 JF - Parkinsonism & related disorders JO - Parkinsonism Relat. Disord. VL - 16 IS - 1 N2 - INTRODUCTION: Parkinson's disease (PD) is a neurodegenerative disorder with prominent motor manifestations and many other non-motor symptoms that significantly decrease quality-of-life and are frequently under-recognized, for example depression. OBJECTIVE: To study the validity of a Brazilian version of the Zung Self-rating Depression Scale (SDS) for the diagnosis of depression in patients with PD. METHODS: We evaluated 78 consecutive non demented patients over the age of 40 with diagnosis of PD at a Movement Disorders Outpatient Clinic, who could read and understand questionnaires. They completed the SDS and the Geriatric Depression Scale with 15 items (GDS-15). The diagnosis of depression was made after a structured clinical interview based on DSM-IV criteria for the diagnosis of major depression (SCID-CV). RESULTS: The prevalence of major depression was 23.1%. Cronbach's alpha was 0.73 and the area under the ROC curve was 0.93 for the SDS. The score index of 55 had a sensitivity of 88.9% and a specificity of 83.3% for the diagnosis of depression. The total scores of the SDS and GDS-15 were highly correlated (0.652, p < 0.0001) and correlated weakly with the scores of a motor scale. DISCUSSION: The SDS is a valid tool for screening depression in patients with PD since the specific SDS index of 55 is adopted. Two shortened versions could be used with good results. SN - 1873-5126 UR - https://www.unboundmedicine.com/medline/citation/19660977/Validity_of_a_Brazilian_version_of_the_Zung_self_rating_depression_scale_for_screening_of_depression_in_patients_with_Parkinson's_disease_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1353-8020(09)00198-9 DB - PRIME DP - Unbound Medicine ER -