What question did this study set out to answer?

To evaluate and compare the diagnostic accuracy of prehospital triage scales for identifying large vessel occlusions (LVOs).

February 12, 2026Emergency Care and MedicineOpen Access

Comparison of Prehospital Diagnostic Scores for Identifying Large Vessel Occlusions: A Systematic Review and Meta-Analysis

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Systematic review compares prehospital LVO diagnostic scores, highlighting RACE as most effective for EMS optimization.

To evaluate and compare the diagnostic accuracy of prehospital triage scales for identifying large vessel occlusions (LVOs).
Conducted a systematic search in PubMed, Scopus, and Web of Science.
Included studies focused on prehospital LVO triage scales.
Extracted diagnostic accuracy measurements for pooled analysis.
RACE scale showed the highest discriminative performance with a log odds ratio of 2.367.
LAMS followed with a score of 2.228, while PASS and C-STAT had lower scores of 1.992 and 1.886, respectively.
Findings indicate variability in scale performance, highlighting the need for tailored approaches in LVO detection.

Lauinger et al. (2026) studied this question.

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