Key result
The Russian version of the MoCA test successfully differentiated older adults with mild cognitive impairment from cognitively asymptomatic controls, with an optimal cutoff of ≥25 providing an AUC of 0.81.
Why the study?
Mild cognitive impairment is common in older people and requires early recognition, but the Russian version of the MoCA test had not yet been validated for this condition.
Does the Russian version of the MoCA test accurately detect Mild Cognitive Impairment in older Russian-speaking individuals?
Cross-Sectional (n=160)
No
Does the Russian version of the MoCA test accurately detect Mild Cognitive Impairment in older Russian-speaking individuals?
Absolute Event Rate: 20.2% vs 24.3%
p-value: p=<0.0001
The Russian version of the MoCA test is a useful screening tool for mild cognitive impairment in older Russian-speaking adults, with an optimal cutoff of ≥25.
Supports MoCA-Ru screening in Russian-speaking older adults; leaves open prospective validation before routine use.
Background: Mild Cognitive Impairment (MCI) in older people is a common syndrome that should be recognized, since interventions such as physical exercise and cognitive training may be useful in maintaining cognitive function and planning for the future is useful. The MoCA test is a useful screening instrument for MCI, but the Russian version of this test has not yet been validated in this condition. The aim of the present study was to validate the Russian version of the MoCA test. Methods: The study population included 160 residents of Israel aged 65 years and older with Russian as their mother tongue, 80 with a clinical diagnosis of MCI, and 80 cognitively asymptomatic controls (AC). All participants underwent cognitive evaluation the Russian version of the MoCA test (MoCA-Ru), and a computerized cognitive assessment battery (Neurotrax) validated for MCI. Results: The mean age of the study population was 78±6.6 years and 123 (76.9%) were women. The MoCA-Ru score was higher in the AC group than in those with MCI (24.3±3.74 vs. 20.2±3.07, P<0.0001). Based on ROC analysis MoCA-Ru was found to have good discriminating capacity for differentiating participants with MCI from asymptomatic controls at a cutoff value of 25. Conclusions: We found the Russian language version of the MoCA test to be useful as a screening tool for MCI. However, there is a need for further adaptation and validation of the current Russian version of the MoCA.
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Freud et al. (2020) conducted a cross-sectional in Mild Cognitive Impairment (n=160). Mild Cognitive Impairment vs. Cognitively asymptomatic controls was evaluated on MoCA-Ru total score (p=<0.0001). The Russian version of the MoCA test successfully differentiated older adults with mild cognitive impairment from cognitively asymptomatic controls, with an optimal cutoff of ≥25 providing an AUC of 0.81.
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