G-FAST prehospital criteria test characteristics
| Sensitivity (95% CI) | 12% (5%–23%) |
| Specificity (95% CI) | 99.66% (98.77%–99.96%) |
| Positive predictive value (95% CI) | 78% (40%–97%) |
| Negative predictive value (95% CI) | 92% (89%–94%) |
Presentation of G-FAST prehospital criteria test characteristics. G-FAST prehospital assessment included presence of gaze deviation, facial palsy, arm weakness, visual loss and speech difficulties. Patients with both gaze deviation and at least one other G-FAST symptom fulfilled the prehospital criteria for LVO suspicion.
G-FAST, Gaze deviation, Facial palsy, Arm weakness, Visual loss, Speech disturbance; LVO, large vessel occlusion.