Table 4

Emergent large vessel occlusion screening to comparisons

Need to calculate scoreYesYesYesNoNoYesYes
No of tests64311–433–4
Length of exam 1–7 (7 is longest)7641235
Positive predictive value (%)42607474
Sensitivity (%)85698127–48
multiple etiologies analyzed
Negative predictive value (%)9486Could not be calculated10089
Specificity (%)688189909240
Total No of patients analyzed3571811194562171303
  • 3I-SS, 3 item stroke scale; CPSSS, Cincinnati Prehospital Stroke Severity Scale; LAMS, Los Angeles Motor Scale; LEGS, legs, eyes, gaze, speech (Texas Stroke Intervention Prehospital Stroke Severity Scale); RACE, Rapid Arterial oCclusion Evaluation Scale; Retro, retrospective; VAN, vision, aphasia, neglect.