Key result
The IQCODE-T significantly differentiated patients with dementia from controls and correctly classified 73% of depressed patients as non-demented, yielding fewer false-positives than the MMSE.
Why the study?
Does the IQCODE-T accurately distinguish dementia from healthy aging and depression in older adults?
Cross-Sectional (n=160)
Does the IQCODE-T accurately distinguish dementia from healthy aging and depression in older adults?
Answers are grounded in this paper and cite their sources.
The IQCODE-T is a valid and reliable tool for detecting dementia that is not influenced by age or education and yields fewer false positives in depressed patients compared to the MMSE.
The Informant Questionnaire on Cognitive Decline in the Elderly (IQCODE) has been used as a measure of cognitive decline in different cultures. The purpose of the study was to establish the validity and reliability of the Turkish version of IQCODE (IQCODE-T) and the ability of the questionnaire to distinguish between older adults with DSM-IV-TR dementia (n = 100) and healthy control participants (n = 60). In addition, the power of the IQCODE-T to distinguish between patients with depression and dementia was investigated. The Mini-Mental State Examination (MMSE) was performed on all participants and the IQCODE-T was administered to their informants. The IQCODE-T, which was not associated with age or education of the patients, significantly differentiated patients with dementia and controls. The IQCODE-T also correctly classified 73% of depressed patients as "non-demented". Because it is easy to administer, not associated with age/education and yields fewer false-positive results than the MMSE in depression, the IQCODE-T can be used in the detection of dementia.
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Ozel-Kizil et al. (2010) conducted a cross-sectional in Dementia (n=160). Turkish version of Informant Questionnaire on Cognitive Decline in the Elderly (IQCODE-T) vs. Mini-Mental State Examination (MMSE) was evaluated on Differentiation between dementia and controls or depression. The IQCODE-T significantly differentiated patients with dementia from controls and correctly classified 73% of depressed patients as non-demented, yielding fewer false-positives than the MMSE.
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