|ECOG Grade||ECOG Status|
|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 self-care but unable to carry out any work activities. Up and about more than 50% of waking hours|
|3||Capable of only limited self-care, confined to bed or chair more than 50% of waking hours|
|4||Completely disabled. Cannot carry on any self-care. Totally confined to bed or chair|
The Eastern Cooperative Oncology Group (ECOG) performance status is a scoring system to determine the performance status of cancer patients.