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[D. A. Karnofsky, U.S. oncologist, 1914–1969]
A tool to estimate clinically a patient's physical state, performance, and prognosis. The scale is from 100%, perfectly well and active, to 0%, completely inactive, or dead. It has been used in studying cancer and chronic illness. Lower Karnofsky scores are generally associated with poorer treatment response and prognosis. Synonym: Karnofsky Scale See: table
|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 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 not imminent|
|20%||Very sick; hospitalization is necessary; active supportive treatment is required|
|10%||Terminally ill; fatal processes progressing rapidly|
Karnofsky,D.A., 20th century U.S. physician.
Karnofsky scale - a performance scale used to evaluate a patient's progress after a therapeutic procedure.