100 Normal, no complaints, no evidence of disease. 90 Able to carry on normal activity; minor signs or symptoms of disease. 1 Symptoms, but ambulatory. Restricted in physically strenuous activity, but ambulatory and able to carry out work of a light or sedentary nature (e.g., light housework, office work). 80 Normal activity with effort; some signs or symptoms of disease. 70 Cares for se lf, unable to carry on normal activity or to do active work. 2 In bed < 50% of the time. Ambulatory and capable of all self-care, but unable to carry out any work activities. Up and about > 50% of waking hours. 60 Requires occasional assistance, but is able to care for most of his/her needs. 50 Requires considerable assistance and frequent medical care. 3 In bed > 50% of the time. Capable of only limited self -care, confined to bed or chair > 50% of waking hours. 40 Disabled, requires special care and a ssistance. 30 Severely disabled, hospitalization indicated. Death not imminent. 4 100% bedridden. Completely disabled. Cannot carry on any self-care. Totally confined to bed or chair. 20 Very sick, hospitalization indicated. Death not imminent. 10 Moribund, fatal processes progressing rapidly. 5 Dead.