The KPS scale is divided into 11 intervals, each representing a 10-point increment. Here is a brief summary of these intervals:
- 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. - 70: Cares for self; unable to carry on normal activity or do active work. - 60: Requires occasional assistance but is able to care for most of personal needs. - 50: Requires considerable assistance and frequent medical care. - 40: Disabled; requires special care and assistance. - 30: Severely disabled; hospitalization is indicated, although death is not imminent. - 20: Very sick; hospitalization necessary; active supportive treatment needed. - 10: Moribund; fatal processes progressing rapidly. - 0: Dead.