Eastern Cooperative Oncology Group (ECOG) performance scale

ECOG Performance Status*




Fully active, able to carry on all pre-disease performance without restriction


Restricted in physically strenuous activity but ambulatory and able to carry out work of a light or sedentary nature, e.g., light house work, office work


Ambulatory and capable of all selfcare but unable to carry out any work activities. Up and about more than 50% of waking hours


Capable of only limited selfcare, confined to bed or chair more than 50% of waking hours


Completely disabled. Cannot carry on any selfcare. Totally confined to bed or chair



* As published in Am. J. Clin. Oncol.:
Oken, M.M., Creech, R.H., Tormey, D.C., Horton, J., Davis, T.E., McFadden, E.T., Carbone, P.P.: Toxicity And Response Criteria Of The Eastern Cooperative Oncology Group. Am J Clin Oncol 5:649-655, 1982.

The ECOG Performance Status is in the public domain therefore available for public use. To duplicate the scale, please cite the reference above and credit the Eastern Cooperative Oncology Group, Robert Comis M.D., Group Chair.


This document has been classified as public information.