Scoring system
| Parameters | Points |
|---|---|
| Sex | |
| Male | 0 |
| Female | 1 |
| Cervicomedullary involvement | |
| Absent | 0 |
| Present | 1 |
| Medulla oblongata involvement | +1 = 2 |
| Bright spotty lesion | |
| Absent or suspicious | 0 |
| Definite | 1 |
| Cord expansion ratio for acute or early-stage MRI | |
| ≤1.4 | 0 |
| >1.4 | 1 |