Differentiating between demented and psychiatric patients with theDutch version of the IQCODE
J.F.M. DeJonghe
Bok Engelsk 1997
| Utgitt | 1997
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| Omfang | 3 s.
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| Opplysninger | This study presents psychometric data on the Dutch version of the Informant Questionnaire on Cognitive Decline in the Elderly (IQCODE-N). We focused on differentiating between inpatients with dementia or a mood/psychotic disorder. A cutoff point of 3.9 on the IQCODE-N correctly predicted group membership in 87.8% and 78.8% respectively.Internal consistency and principal component analysis suggest that the IQCODE-N measures a unidimensional construct. Correlations with a Dementia Screening Test (r=0.62), nurses' observations on memory disorders (r=0.71) and a global assessment of severity of dementia(r=0.72) support the validity of the informant ratings. Patients' age and level of education did not confound informant ratings. Only a small fraction of the informants could not complete the IQCODE-N,which makes it an easily applicable rating scale for cognitivedecline.
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