Karnofsky Performance Status Scale Questionnaire

Definition 1

A standardized rating scale originally developed by David A. Karnofsky and Joseph H. Burchenal in 1949 which is used to evaluate the degree to which a patient is functionally impaired. This instrument consists of 3 sections, no special care needed, unable to work, and unable to care for one's self and is completed by a clinician based on their observations. There are a total of eleven levels ranging from 0-100 where 0 indicates that the patient is dead and 100 indicates that the patient is normal. (NCI Thesaurus)

Definition 2

The Karnofsky Performance Status Scale (KPSS) (Karnofsky DA, Burchenal JH. (1949). "The Clinical Evaluation of Chemotherapeutic Agents in Cancer." In: MacLeod CM (Ed), Evaluation of Chemotherapeutic Agents. Columbia Univ Press. Page 196). (NCI Thesaurus/CDISC)

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Karnofsky Performance Status 90

Able to carry on normal activity; minor signs or symptoms of disease.

Karnofsky Performance Status 80

Normal activity with effort; some sign or symptoms of disease.

Karnofsky Performance Status 70

Cares for self; unable to carry on normal activity or do active work.

Karnofsky Performance Status 60

Requires occasional assistance, but is able to care for most personal needs.

Karnofsky Performance Status 50

Requires considerable assistance and frequent medical care.

Karnofsky Performance Status 40

Disabled; requires special care and assistance.