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. 2013 Apr 3;8(4):e59946. doi: 10.1371/journal.pone.0059946

Table 3. Discriminant indices of the Montreal Cognitive Assessment and Mini-Mental State Examination in detecting cognitive impairment.

Cuff-off value Sen (95% CI) Spec (95% CI) PPV (95% CI) NPV (95% CI) Diagnostic Accuracy
At 2–4 weeks
MoCA 17/18 75(43–95) 95(87–99) 75(41–95) 95(87–99) 92%
MMSE 23/24 75(43–95) 90(80–96) 60(32–84) 95(86–99) 88%
At 1 year
MoCA 21/22 100(74–100) 75(63–85) 41(24–61) 100(93–100) 85%
MMSE 23/24 58(28–85) 84(73–92) 39(17–64) 92(82–97) 80%

Sen: Sensitivity; Spec: Specificity; PPV: Positive Predictive Value; NPV: Negative Predictive Value.

MoCA: Montreal Cognitive Assessment.

MMSE: Mini-Mental State Examination.