RRS-4: Short Version of the Retardation Rating Scale to Screen for Depression in Elderly Inpatients

Objectives To develop a short version of the Retardation Rating Scale (RRS), an observer scale recently validated in geriatric inpatients. Methods A neuropsychologist used a structured interview to assess 165 geriatric medical inpatients with the observer-rated Hamilton Depression Rating Scale, Mont...

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Bibliographic Details
Published in:The American journal of geriatric psychiatry 2008-04, Vol.16 (4), p.331-335
Main Authors: Bonin-Guillaume, Sylvie, M.D., Ph.D, Jouve, Elisabeth, Sc.M, Sautel, Laeticia, M.S, Fakra, Eric, M.D, Blin, Olivier, M.D., Ph.D
Format: Article
Language:English
Subjects:
Aged
Cross-Sectional Studies
Depression - classification
Depression - diagnosis
Depression - epidemiology
Diagnostic and Statistical Manual of Mental Disorders
geriatric depression
Humans
Inpatients
Intellectual Disability - diagnosis
Internal Medicine
Interviews as Topic
medical inpatients
Motor Activity
Observer Variation
Prevalence
Psychiatric Status Rating Scales
Retardation Rating Scale short version
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Summary:Objectives To develop a short version of the Retardation Rating Scale (RRS), an observer scale recently validated in geriatric inpatients. Methods A neuropsychologist used a structured interview to assess 165 geriatric medical inpatients with the observer-rated Hamilton Depression Rating Scale, Montgomery and Asberg Rating Scale and RRS, and completed the 30-item Geriatric Depression Scale; 107 met Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition clinical criteria for depression according to a gerontopsychiatrist's independent evaluation. A statistical model was applied to ascertain the most relevant RRS items; the psychometric properties of the four retained (RRS-4) were compared with standard scales. Results RRS-4 psychometric properties were good: internal consistency (Cronbach alpha-coefficient = 0.81), positive concurrent validity with each of the standard depression scales (Spearman's r = 0.68–0.82) and the total RRS score (Pearson's r = 0.93). Considering clinical evaluation the “gold standard” for depression, a threshold of three yielded: 88% positive-predictive value, 68% negative-predictive value, with 88% accuracy for predicting depression exceeding the standard observer depression scales by 23%. Conclusion RRS-4 is a brief and easy-to-use observer scale that improves depression identification in elderly medical inpatients.
ISSN:1064-7481
1545-7214
DOI:10.1097/JGP.0b013e318165dbe0