| 0 |
Asymptomatic |
|
|
Asymptomatic |
| 1 |
Unilateral involvement only |
|
|
Unilateral involvement only |
| 2 |
Bilateral involvement without impairment of balance |
|
|
Bilateral involvement without impairment of balance |
| 3 |
Mild to moderate involvement, some postural instability but physically independent, needs assistance to recover from pull test |
|
|
Mild to moderate involvement, some postural instability but physically independent, needs assistance to recover from pull test |
| 4 |
Severe disability, still able to walk or stand unassisted |
|
|
Severe disability, still able to walk or stand unassisted |
| 5 |
Wheelchair bound or bedridden unless aided |
|
|
Wheelchair bound or bedridden unless aided |