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<h4>Background and purpose</h4>We determined the diagnostic accuracy of the Montreal Cognitive Assessment (MoCA) for poststroke neurocognitive disorder defined according to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, criteria in a prospective observational study.<h4>Methods</h4>Consecutive participants able to complete a cognitive test battery and MoCA 3 months poststroke were included. The reference standard of neurocognitive disorder was defined as a score of ≥1.5 SD below the normative mean in ≥1 cognitive domain on the cognitive test battery.<h4>Results</h4>Among 521 participants (43.6% women; mean age/SD, 71.5/12.0 years; mean education/SD, 12.4/3.8 years), the area under the receiver operating characteristic curve of MoCA for neurocognitive disorder was 0.80 (95% CI, 0.76-0.84). Using the standard MoCA cutoff <26, sensitivity was 0.71 (0.69-0.79) with specificity of 0.73 (0.66-0.76). MoCA cutoff of <27 gave higher sensitivity (0.82 [0.77-0.85]) at the expense of specificity (0.60 [0.53-0.66]).<h4>Discussion</h4>MoCA has reasonable accuracy for poststroke neurocognitive disorder diagnosed using the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, criteria. Registration: URL: https://www.clinicaltrials.gov. Unique identifier: NCT02650531.

Original publication

DOI

10.1161/strokeaha.120.031030

Type

Journal article

Journal

Stroke

Publication Date

01/2021

Volume

52

Pages

317 - 320

Addresses

Department of Medicine, Bærum Hospital, Vestre Viken Hospital Trust, Drammen, Norway (R.M.-K., H.I.-H.).