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Title: Diagnostic utility of the quick inventory of depressive symptomatology (QIDS-C16 and QIDS-SR16) in the elderly
Authors: Doraiswamy, P.M.
Bernstein, I.H.
Rush, A.J. 
Kyutoku, Y.
Carmody, T.J.
MacLeod, L.
Venkatraman, S.
Burks, M.
Stegman, D.
Witte, B.
Trivedi, M.H.
Keywords: depression
Montgomery-Åsberg Depression Rating Scale
Quick Inventory of Depressive Symptomatology-Clinician-rated
Quick Inventory of Depressive Symptomatology-Self-report
Issue Date: Sep-2010
Citation: Doraiswamy, P.M., Bernstein, I.H., Rush, A.J., Kyutoku, Y., Carmody, T.J., MacLeod, L., Venkatraman, S., Burks, M., Stegman, D., Witte, B., Trivedi, M.H. (2010-09). Diagnostic utility of the quick inventory of depressive symptomatology (QIDS-C16 and QIDS-SR16) in the elderly. Acta Psychiatrica Scandinavica 122 (3) : 226-234. ScholarBank@NUS Repository.
Abstract: Objective: To evaluate psychometric properties and comparability ability of the Montgomery-Åsberg Depression Rating Scale (MADRS) vs. the Quick Inventory of Depressive Symptomatology-Clinician-rated (QIDS-C16) and Self-report (QIDS-SR16) scales to detect a current major depressive episode in the elderly. Method: Community and clinic subjects (age ≥60 years) were administered the Mini-International Neuropsychiatric Interview (MINI) for DSM-IV and three depression scales randomly. Statistics included classical test and Samejima item response theories, factor analyzes, and receiver operating characteristic methods. Results: In 229 elderly patients (mean age = 73 years, 39% male, 54% current depression), all three scales were unidimensional and with nearly equal Cronbach α reliability (0.85-0.89). Each scale discriminated persons with major depression from the non-depressed, but the QIDS-C 16 was slightly more accurate. Conclusion: All three tests are valid for detecting geriatric major depression with the QIDS-C16 being slightly better. Self-rated QIDS-SR16 is recommended as a screening tool as it is least expensive and least time consuming. © 2010 John Wiley & Sons A/S.
Source Title: Acta Psychiatrica Scandinavica
ISSN: 0001690X
DOI: 10.1111/j.1600-0447.2009.01531.x
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