| Score |
Description |
| 0 |
No
symptoms at all |
| 1 |
No
significant disability despite symptoms; able to carry
out all usual duties and activities |
| 2 |
Slight
disability; unable to carry out all previous activities,
but able to look after own affairs without assistance
|
| 3 |
Moderate
disability; requiring some help, but able to walk without
assistance |
| 4 |
Moderately
severe disability; unable to walk without assistance and
unable to attend to own bodily needs without assistance
|
| 5 |
Severe
disability; bedridden, incontinent and requiring constant
nursing care and attention |
| 6 |
Death |