Psychometric analysis of the behavioral assessment screening tool (BAST) in adults with stroke.
Candice Osborne, Alex Wong, Willa Vo and 1 others
PMID 33678137WHAT IT FOUND
The BAST screening tool showed good reliability for mood, fatigue, and executive function in adults with stroke.
It separated stroke survivors from healthy controls on these subscales, but failed for impulsivity and substance abuse. The study included very few stroke patients.
Key findings
01Negative Affect, Executive Function, Fatigue, and Substance Abuse subscales showed good internal consistency reliability, while Impulsivity showed only acceptable reliability.
02Stroke survivors reported significantly higher scores for Negative Affect, Executive Function, Fatigue, and Impulsivity than healthy controls, but not for Substance Abuse.
03The tool could distinguish stroke survivors from controls for Negative Affect, Executive Function, and Fatigue, but not for Impulsivity or Substance Abuse.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTsWhat it means for SLPs
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What it does not show
The sample size was very small, with only 75 participants with stroke. The study did not include participants with aphasia or visual neglect, so results cannot be generalized to those common stroke sequelae. Information on stroke severity, location, and functional disability was not collected. The known-groups validity analysis was underpowered because only 2.5% of the National cohort had a stroke history. The study did not assess whether the tool predicts functional recovery or discharge outcomes.
Declared interests
The authors have no relevant financial or non-financial competing interests to report.
The easy way to misread this
Do not assume this tool is ready for clinical use to screen all stroke survivors. The sample was small, excluded patients with aphasia or neglect, and did not measure stroke severity, so its accuracy in a typical therapy caseload is unknown.