| Able to carry on normal activity and to work; no special care needed. | 100 | Normal no complaints; no evidence of disease. |
| 90 | Able to carry on normal activity; minor signs or symptoms of disease. | |
| 80 | Normal activity with effort; some signs or symptoms of disease | |
| Unable to work; able to live at home and care for most personal needs; varying amount of assistance needed. | 70 | Cares for self; unable to carry on normal activity or to do active work. |
| 60 | Requires occasional assistance, but is able to care for most of his personal needs. | |
| 50 | Requires considerable assistance and frequent medical care. | |
| Unable to care for self; requires equivalent of institutional or hospital care; disease may be progressing rapidly | 40 | Disabled; requires special care and assistance. |
| 30 | Severely disabled; hospital admission is indicated although death not imminent. | |
| 20 | Very sick; hospital admission necessary; active supportive treatment necessary. | |
| 10 | Moribund; fatal processes progressing rapidly. | |
| 0 | Dead |