The Italian version of the quick mild cognitive impairment (Qmci-I) screen: normative study on 307 healthy subjects.

Aging Clin Exp Res 2019 Mar 8;31(3):353-360. Epub 2018 Jun 8.

Health's Innovation Unit, Campania Region, Naples, Italy.

Objective: To devise an Italian version of the quick mild cognitive impairment screen (Qmci) and to obtain normative data.

Methods: An Italian version of the Qmci screen (Qmci-I) was administered to 307 subjects free from cognitive impairment. The normative sample was divided into three age levels (50-59; 60-69 and 70-80 years) and four education levels (3-5; 6-8; 9-13; >13 years of school attendance). Multiple regression analyses were used to evaluate the effect of age, sex and schooling on Qmci-I scores (overall and by domains) and to calculate cut-off values, with reference to the confidence interval on the fifth centile.

Results: The mean Qmci-I score was 64/100 (SD?=?11). The age variable showed a significant negative effect on the overall Qmci-I score, with older people performing worse than younger ones. Conversely, education was associated with higher scores. Significant effects of age and education affected logical memory alone. For the other domains, the following effects were found: (1) higher age associated with lower scores on delayed recall; (2) higher education levels associated with higher scores on immediate recall, clock drawing and word fluency. The adjusted cut-off score for the Qmci-I screen in this sample was 49.4. Qmci-I scores were weakly correlated with those of MMSE (rho?=?0.20).

Conclusions: The Qmci-I is a rapid and multi-domain short cognitive screening instrument useful for evaluating cognitive functions. However, like other screening tools, it is significantly influenced by age and education, requiring normative data and correction of values when used in the clinical practice.

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http://dx.doi.org/10.1007/s40520-018-0981-2DOI Listing
March 2019
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