Development of a Swedish short version of the Montreal Cognitive Assessment for cognitive screening in patients with stroke.
Tamar Abzhandadze, Erik Lundström, Dongni Buvarp and 3 others
PMID 37309231WHAT IT FOUND
The short Swedish MoCA, at a score of ≤12, correctly identified 97.41% of stroke patients with cognitive impairment, but it is a screening test, not a diagnosis.
Key findings
01The final Swedish short MoCA included delayed recall, visuospatial/executive function, serial 7, fluency, and abstraction.
02The selected tasks were summed to a score from 0 to 16, and a score of ≤12 was used as the cut-off for cognitive impairment.
03At the ≤12 cut-off, the short Swedish MoCA correctly identified impaired cognition in 97.41% of cases among 3,276 patients with complete MoCA data.
STILL TO COME
How it was doneWhat they foundWhat it means for OTs
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What it does not show
Many patients were excluded because they lacked complete MoCA data. The MoCA was not given to patients with severe aphasia or delirium, or when staff reported time pressure. The full MoCA reference standard missed impairment on later neuropsychological testing. No external validation or optimism-corrected AUC was done.
Declared interests
The authors declared no conflicts of interest.
The easy way to misread this
Do not read a score above 12 as proof a patient has no cognitive impairment. This was a screening tool, and the full MoCA reference standard missed impairment on later neuropsychological testing.