Table 3:
Optimal cut-off score prediction of impairment measured by neuropsychological tests
Categories | Property | |
---|---|---|
Criteria 1: ≤ −1.5 SD below normative means in at least one domain | Prevalence % | 86% |
Optimal MoCA cut-off score | ≤25 | |
AUC | 0.745 | |
Sensitivity | 0.795 | |
Specificity | 0.571 | |
Criteria 2: ≤ −1.5 SD below normative means in two or more domains | Prevalence % | 53% |
Optimal MoCA cut-off score | ≤20 | |
AUC | 0.672 | |
Sensitivity | 0.40 | |
Specificity | 0.96 | |
Criteria 4: ≤ −1.5 SD in two or more domains or ≤ −2.0 SD below normative means in at least one domain* | Prevalence % | 70.6% |
Optimal MoCA cut-off score | ≤22 | |
AUC | 0.691 | |
Sensitivity | 0.5 | |
Specificity | 0.867 |
Criteria 3: ≤ −2.0 SD below normative means in at least one domain yields the same prevalence and optimal cut-off score as Criteria 4 (data not shown).