Skip to content Learn about the access keys available for Aristotle Open Metadata Registry


A score given at the time of diagnosis outlining the extent to which a person’s disease affects their daily living abilities. This is based on assessment by a treating health professional.

Performance status at diagnosis is an important prognostic indicator which is used to determine appropriate treatment, assess how the disease has progressed, and for the statistical analyses of outcome adjusted by performance status.


Oken MM et al. 1982. Toxicity and response criteria of the Eastern Cooperative Oncology Group. Am J Clin Oncol 5:649-655

National Cancer Control Initiative 2004. NCCI Clinical Cancer Core Data Set and Data Dictionary, Version 5. Melbourne: National Cancer Control Initiative
This content Based on Australian Institute of Health and Welfare material. Attribution provided as required under the AIHW CC-BY licence.

Related content

Relation Count
Data Element Concepts implementing this Property 1