Table 3.

Proportion of Agreement Between LVO Scales and CT Imaging for Typical and Atypical Groups

ScaleTypicalAtypical
LVO (95% CI)Non-LVO (95% CI)LVO (95% CI)Non-LVO (95% CI)
RACE ≥50.96 (0.91–1.0)0.97 (0.95–0.99)0.16 (0.02–0.30)0.30 (0.17–0.43)
LAMS ≥40.94 (0.87–1.0)0.95 (0.93–0.97)0.19 (0.05–0.34)0.08 (0.0–0.16)
FAST-ED ≥40.98 (0.94–1.0)0.97 (0.96–0.99)0.23 (0.07–0.38)0.04 (0.0–0.10)
PASS ≥20.96 (0.91–1.0)0.92 (0.90–0.95)0.29 (0.12–0.46)0.06 (0.0–0.13)
CPSSS ≥20.88 (0.79–0.97)0.94 (0.92–0.96)0.03 (0–0.10)0.10 (0.01–0.19)
  • CI indicates confidence interval; CPSSS, Cincinnati Prehospital Stroke Severity Scale; CT, computed tomography; FAST-ED, Field Assessment Stroke Triage for Emergency Destination; LAMS, Los Angeles Motor Scale; LVO, large vessel occlusion; PASS, Prehospital Acute Stroke Severity scale; and RACE, Rapid Arterial Occlusion Evaluation.