| Summary: | Background and Purpose: Our aim was to confirm the clinical relationship between the Kurashiki Prehospital Stroke Scale (KPSS) scored by paramedics and favorable outcomes in patients with modified Rankin scale (mRS) scores of 0–1 assessed 3 months after symptom onset. Methods: We enrolled patients with acute stroke and transient ischemic attack showing symptoms on admission. Paramedics transferred patients to our hospital after estimating stroke severity using the KPSS. After categorizing patients into either the mRS 0–1 group (favorable outcome) or the mRS 2–6 group (no favorable outcome), we compared the background data between the two groups. We assessed KPSS scores predictive of a favorable outcome. Multivariate regression modeling was conducted to identify factors independently associated with a favorable outcome. Results: The study cohort comprised 147 patients with a premorbid status of mRS 0–1: 69 patients (47%) of them were in the mRS 0–1 group and 78 (53%) in the mRS 2–6 group at the follow-up 3 months after symptom onset. The median KPSS score was lower in the mRS 0–1 group than in the mRS 2–6 group (1 vs. 4, p Conclusion: KPSS score <3 apparently presents a reasonable cutoff for predicting a favorable outcome in patients with acute cerebral ischemia.
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