Guillain-Barré syndrome (GBS) Disability Scale
| Score | Description |
| 0 | A healthy state |
| 1 | Minor symptoms and capable of running |
| 2 | Able to walk 10m or more without assistance but unable to run |
| 3 | Able to walk 10m across an open space with help |
| 4 | Bedridden or chairbound |
| 5 | Requiring assisted ventilation for at least part of the day |