mRS score
| Score | Grade Definition Stratification |
|---|---|
| 0 | Asymptomatic independent |
| 1 | No significant disability despite symptoms |
| Able to carry out all usual duties and activities | |
| Independent | |
| 2 | Slight disability |
| Unable to carry out all previous activities | |
| Able to look after own affairs without assistance | |
| Independent | |
| 3 | Moderate disability |
| Requiring some help, able to walk without assistance | |
| Independent | |
| 4 | Moderate-severe disability |
| Unable to walk without assistance | |
| Unable to attend to bodily needs without assistance | |
| Dependent | |
| 5 | Severe disability |
| Bedridden, incontinent, and requiring constant nursing care and attention | |
| Dependent | |
| 6 | Death |
| Deceased |
Note:—mRS indicates modified Rankin Scale.