Unifying Concepts

ECOG Performance Status

This scale and criteria are used by physicians and researchers to assess how a patient’s disease is progressing, assess how the disease affects the daily living abilities of the patient, and determine appropriate treatment and prognosis.

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 house work, 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

*Eastern Cooperative Oncology Group



  1. Young J, Badgery-Parker T, Dobbins T, Jorgensen M, Gibbs P, Faragher I, Jones I, Currow D. Comparison of ECOG/WHO performance status and ASA score as a measure of functional status. J Pain Symptom Manage. 2015 Feb;49(2):258-64. [Medline]
  2. Oken MM, Creech RH, Tormey DC, Horton J, Davis TE, McFadden ET, Carbone PP. Toxicity and response criteria of the Eastern Cooperative Oncology Group. Am J Clin Oncol. 1982 Dec;5(6):649-55. [Medline]


Created: Jan 16, 2018.

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