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Centre for Policy on Ageing | |
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| An informant interview for the diagnosis of dementia and depression in older adults (IDD-GMS) | | Author(s) | Simon Lewis, Katy Hinchcliffe, Cornelius Katona |
| Journal title | International Journal of Geriatric Psychiatry, vol 13, no 5, May 1998 |
| Pages | pp 298-309 |
| Keywords | Dementia ; Depression ; Diagnosis ; Assessment procedures for mental patients ; Reliability. |
| Annotation | There has been no instrument developed for the differential diagnosis of psychiatric conditions using an informant. This study describes the development and validation of an informant interview for the diagnosis of dementia and depression in older adults (IDD-GMS). The IDD-GMS, as its name indicates, is based on the well-established Geriatric Mental State Schedule (GMS). 30 older adults with psychiatric illnesses were identified. An informant/carer was interviewed using the IDD-GMS, with questions altered to reflect the informant nature of the interview. Validity was compared to ICD-10 diagnosis, and interrater reliability determined. Using a hierarchical diagnostic system, receiver operating characteristics demonstrated one optimal cutpoint for sensitivity, >13 for dementia and >16 for depression, and one for specificity, >13 for dementia and >10 for depression. The validity and reliability of the IDD-GMS falls within acceptable limits, indicating that the IDD-GMS can be used as a diagnostic instrument for dementia and depression. The IDD-GMS represents the first informant interview to achieve this. (RH). |
| Accession Number | CPA-980811002 A |
| Classmark | EA: ENR: LK7: DA:4C: 5HC |
Data © Centre for Policy on Ageing |
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| ...from the Ageinfo database published by Centre for Policy on Ageing. |
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