Contribution of cognitive status on admission to mobility and balance at discharge from acute rehabilitation for stroke
Bibliographic record
Abstract
Acute inpatient rehabilitation is crucial for improving mobility and balance for individuals with stroke. A potentially important factor in the recovery of mobility and balance is cognition. The purpose of this study was to determine the effect of cognition on mobility and balance in acute stroke rehabilitation. This was a longitudinal cohort study based on an inpatient rehabilitation unit at a large academic medical center. Participants were individuals with stroke admitted to acute rehabilitation after an acute care hospital stay ( N = 281). Demographic data and predictor variables were collected on admission to the unit. Outcomes were collected at discharge from the unit. Multiple regression analyses were used to determine the associations between cognition (Montreal Cognitive Assessment) on mobility (Functional Independence Measure mobility subscale) and balance (Berg Balance Scale). Subtests from the Montreal Cognitive Assessment were also examined to determine if specific dimensions of cognition could predict balance after controlling for covariates. Dominance analysis was used to determine the relative importance of baseline predictors. In separate models, cognition was a significant predictor of mobility ( B = 0.19) and balance ( B = 0.28) at discharge after adjusting for admission mobility and balance, as well as age, sex, and length of stay. The most important predictors in both models were baseline mobility and balance, but cognition contributed to the models independently of baseline scores. Cognition was generally more important than age and sex while about equally important as length of stay. In separate models, the visuospatial/executive ( B = 0.42) and the delayed recall ( B = 0.37) subtests were also significant predictors of mobility. The models' most important predictors were baseline mobility and balance scores. Cognition is a clinically relevant predictor of mobility and balance in acute stroke rehabilitation. Specific dimensions of cognition, such as executive function, visuospatial function, and delayed recall, may be especially important. Cognitive challenges and meta-cognitive strategies should be included in mobility and balance tasks when possible. Studies that evaluate the efficacy of dual-task training and meta-cognitive approaches are needed.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.025 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".