Eastern Cooperative Oncology Group ( ECOG ) performance status scale:
STATUS Description
0 Asymptomatic, fully active and able to carry out all predisease performance
without restriction.

1 Symptomatic, fully ambulatory but restricted in physically strenuous activity and
able to carry out performance of a light or sedentary nature.

2 Symptomatic, ambulatory and capable of all self-care but unable to carry out any
work activities. up and about more than 50%of waking hours: in bed less than
50%of day.

3 Symptomatic, capable of only limited self-care, confined to be or chair more than
50% of waking hours, but not bed ridden.

4 Completely disabled. Cannot carrry out any self-care. Totally bedridden.