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Comparison of the diagnostic accuracy of the Cognitive Performance Scale (Minimum Data Set) and the Mini-Mental State Exam for the detection of cognitive impairment in nursing home residents
- Authors:
- PAGUAY Louis, et al
- Journal article citation:
- International Journal of Geriatric Psychiatry, 22(4), April 2007, pp.286-293.
- Publisher:
- Wiley
This study aimed to compare the diagnostic accuracy of an outcome measurement scale of the Minimum Data Set of the Resident Assessment Instrument for nursing homes (MDS/RAI-NH), the Cognitive Performance Scale (CPS) and the Mini-Mental State Exam (MMSE) for the detection of cognitive impairment. The Cambridge Examination for Mental Disorders of the Elderly - Revised (CAMDEX-R) was used as the reference standard. This study was part of a larger prospective study (QUALIDEM) involving a diagnostic procedure and two-year follow-up on the quality of primary care for demented patients. CAMDEX-R and MDS/RAI-NH were administered to 198 residents, aged 65 or more, living in 42 low and high care institutions for older people in Belgium. Main outcome measures used were indicators of diagnostic accuracy: sensitivity, specificity, predictive values, likelihood ratios, odds ratio and area under receiver operating characteristics curve (AUC). The CAMDEX-based prevalence of cognitive impairment was 75%. The results found that CPS and MMSE demonstrated similar performance to detect cognitive impairment in nursing home residents.