Abstract WP151: Increased Risky Driving in Acute Compared to Chronic Ischemic Stroke Drivers
Bibliographic record
Abstract
Introduction: Guidelines recommend that patients refrain from driving in the acute phase of stroke. Patients are permitted to resume driving if no significant motor, cognitive, or perceptual deficits are present. This study investigated the driving performance of patients with mild ischemic stroke in the acute and chronic stages of recovery. It was hypothesized that patients with acute stroke would commit more risky driving errors (e.g. collisions, lane deviations) and that patients with chronic stroke would perform comparably to healthy matched controls. Methods: Driving simulator technology (STISIM) was used to compare the driving performance of 11 patients with acute mild ischemic stroke (NIHSS<5, <1 month post-stroke), 11 patients with chronic mild ischemic stroke (NIHSS<5 at discharge, >3 months post-stroke), and 11 healthy age- and education-matched controls. Participants completed a city-driving task and a car following task, which requires sustained attention and error monitoring. Results: Patients with acute stroke committed over three times as many risky driving errors compared to healthy controls during the city-driving task (6.2 vs. 1.7, p<0.01). Acute stroke patients made more errors (8.7 vs. 2.0, p<0.05) and had difficulty maintaining proper lane position (p<0.05) compared to controls during the car following task. Patients with chronic stroke committed fewer errors than acute stroke patients during the car following task (3.0 vs. 8.7, p<0.05) and tended to commit fewer risky driving errors during the city-driving task (2.7 vs. 6.2, p=0.076). Patients with chronic stroke performed comparably to controls during the driving tasks. Conclusions: Results suggest that patients with acute mild ischemic stroke may demonstrate impaired driving ability and that performance may improve in the chronic phase of recovery. The results reinforce the importance of refraining from driving in the acute phase of stroke and suggest that patients with good functional and cognitive recovery may be safe to resume driving in the chronic phase of injury. A large-scale longitudinal study is required to determine the optimal time for patients to resume driving after stroke.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| 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 | 0.001 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.006 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".