The level of education had a great impact on scores: as a result, 2 points were added for patients with less than 8 years of schooling and one point for patients with 8-12 years of schooling (MoCA-S1-2). The optimal cut-off points for aMCI and mild dementia were < 21 and < 20, respectively, with sensitivity and specificity rates of 75% and 82% for aMCI and 90% and 86% for mild dementia. The MoCA-S was found to be an effective and valid test for detecting aMCI (AUC = 0.903) and mild dementia (AUC = 0.957) its effectiveness for detecting naMCI was lower (AUC = 0.629). 01), and high intra-rater reliability (test-retest reliability coefficient: 0.922 P <. The MoCA-S displayed good internal consistency (Cronbach’s α: 0.772), high inter-rater reliability (Spearman correlation coefficient: 0.846 P <. Mean age and years of schooling were 73 ± 6 and 11 ± 4 years, respectively, with no significant intergroup differences. Participants were evaluated with both the MoCA-S and the Mini-Mental State Examination (MMSE) to determine the discriminant validity of the MoCA-S. Methodsġ72 individuals were grouped according to their clinical diagnosis based on the Clinical Dementia Rating (CDR) scale as follows: amnestic mild cognitive impairment (aMCI n = 24), non-amnestic MCI (naMCI n = 24), mild dementia (n = 20), and cognitively normal (n = 104). To evaluate the psychometric properties and discriminant validity of the MoCA-S in elderly patients in Santiago de Chile. Few studies have validated the Spanish-language version of the Montreal Cognitive Assessment (MoCA-S) test in Latin American populations.
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