Rapid Arterial oCclusion Evaluation scale (RACE)63
| Item | Race score | NIHSS equivalent |
|---|---|---|
| Facial palsy | ||
| Absent | 0 | 0 |
| Mild | 1 | 1 |
| Moderate to severe | 2 | 2–3 |
| Arm motor function | ||
| Normal to mild | 0 | 0–1 |
| Moderate | 1 | 2 |
| Severe | 2 | 3–4 |
| Leg motor function | ||
| Normal to mild | 0 | 0–1 |
| Moderate | 1 | 2 |
| Severe | 2 | 3–4 |
| Head and gaze deviation | ||
| Absent | 0 | 0 |
| Present | 1 | 1–2 |
| Aphasia* (if R hemiparesis) | ||
| Performs both tasks correctly | 0 | 0 |
| Performs one task correctly | 1 | 1 |
| Performs neither task | 2 | 2 |
| Agnosia† (if L hemiparesis) | ||
| Recognizes both paretic arm and impairment | 0 | 0 |
| Does not recognize paretic arm or impairment | 1 | 1 |
| Does not recognize paretic arm and impairment | 2 | 2 |
| Total score | 0–9 | |
*Aphasia: (1) ‘close your eyes’; (2) ‘make a fist’.
†Agnosia: (1) “‘whose arm is this?’”; (2) ‘raise both hands and clap’.
RACE ≥5: 85% sensitivity, 68% specificity, 0.22 negative likelihood ratio for large vessel occlusion.
NIHSS, National Institutes of Health Stroke Scale.