Performance status

Karnofsky performance scale

Condition	Performance status %	Comments
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. A varying degree of assistance is 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 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 is not imminent.
	20	Hospitalization necessary. Very sick, active supportive treatment necessary.
	10	Moribund; fatal processes progressing rapidly.
	0	Dead.

References

1. Schag CC, Heinrich RL, Ganz PA. Karnofsky performance status revisited: reliability, validity, and guidelines. J Clin Oncol. 1984 Mar;2(3):187-93. link to original article (contains performance scale) PubMed