ECOG Performance Status^*.

Grade	ECOG
0	Fully active, able to carry on all pre-disease performance without restriction
1	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
2	Ambulatory and capable of all selfcare but unable to carry out any work activities. Up and about more than 50% of waking hours
3	Capable of only limited selfcare, confined to bed or chair more than 50% of waking hours
4	Completely disabled. Cannot carry on any selfcare. Totally confined to bed or chair
5	Dead

^*As published in Am J Clin Oncol: Oken MM, Creech RH, and Tormey DC et al. (1982) Toxicity and response criteria of the eastern cooperative oncology group Am J Clin Oncol 5 649–655.